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            <span><img src="/skins/158899/images/date01.png" />更新时间：2022-06-14</span><span><img src="/skins/158899/images/hit.png" />点击次数：1864</span>
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            <div class="para" label-module="para" data-pid="73" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">一、对被测试件的一般要求试件表面应洁净，无灰尘，无油污和无氧化皮。</div><div class="para" label-module="para" data-pid="74" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">二、对试件表面温度的要求试件表面的温度不能过热，要求温度小于120℃。测试最佳温度为4℃-38℃。</div><div class="para" label-module="para" data-pid="75" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">三、对试件表面粗糙度的要求试件表面粗糙度应满足下表的要求，试件表面的粗糙度不但影响测试精度，而且影响冲击球头的使用寿命。</div><div class="tabledivclass" style="width: 99%; height: 122px;"><table log-set-param="table_view" data-sort="sortDisabled" align="left" style="max-width: 748px;"><tbody><tr class="firstRow"><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">冲击装置类型</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">试件表面粗糙度Ra</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">相当于原国标</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">D DC D+15 E DL</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">2μm</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">6</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">G</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">7μm</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">4</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">C</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">0.4μm</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">8</div></td></tr></tbody></table></div><div class="para" label-module="para" data-pid="76" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">四、对试件重量的要求</div><div class="para" label-module="para" data-pid="77" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">1、对足够重的试件不需要支撑，直接进行测试。</div><div class="para" label-module="para" data-pid="78" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">2、对重量不太重的试件，有悬伸部分的试件以及薄壁试件，在测试时应使用物体支撑，以避免冲击力引起试件的扭曲、变形和移动。</div><div class="para" label-module="para" data-pid="79" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">3、对重量较小的试件，应使其与重量大与5kg的支撑体牢牢耦合，要求试件与支撑体表面必须平整、光滑，耦合剂(凡士林，机油等)用量不宜过多，测试方向必须垂直于耦合平面。冲击装置与试件重量的关系见下表：</div><div class="tabledivclass" style="width: 99%; height: 122px;"><table log-set-param="table_view" data-sort="sortDisabled" align="left" style="max-width: 748px;"><tbody><tr class="firstRow"><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">冲击装置类型</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">不需固定支撑</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">需固定支撑</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">需耦合</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">D DC D+15 E DL</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">5kg</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">2kg</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">0.1kg</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">G</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">15kg</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">5kg</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">0.5kg</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">C</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">1.5kg</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">0.5kg</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">0.02kg</div></td></tr></tbody></table></div><div class="para" label-module="para" data-pid="80" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">五、对试件表面硬化层厚度的要求对于表面覆有硬化层的试件，为保证测试精度，要求对应于不同的冲击装置试件表面硬化层厚度应符合下表规定：</div><div class="tabledivclass" style="width: 99%; height: 122px;"><table log-set-param="table_view" data-sort="sortDisabled" align="left" style="max-width: 748px;"><tbody><tr class="firstRow"><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">冲击装置类型</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">试件表面硬化层最小厚度</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">D DC D+15 E DL</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">0.8mm</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">G</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">------</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">C</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">0.2mm</div></td></tr></tbody></table></div><div class="para" label-module="para" data-pid="81" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">六、对板材、管壁型试件厚度的要求对于板材、管材和其它薄片型试件的测试，为保证测试精度，要求对应于不同的冲击装置试件厚度应符合下表</div><div class="tabledivclass" style="width: 99%; height: 122px;"><table log-set-param="table_view" data-sort="sortDisabled" align="left" style="max-width: 748px;"><tbody><tr class="firstRow"><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">冲击装置类型</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">被测试件最小厚度</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">D DC D+15 E DL</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">3mm</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">G</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">10mm</div></td></tr><tr><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">C</div></td><td style="margin: 0px; padding: 2px 10px; font-size: 12px; line-height: 22px; border: 1px solid rgb(230, 230, 230); box-sizing: border-box; vertical-align: middle;" height="22"><div class="para" label-module="para" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin: 0px; line-height: 24px; zoom: 1; height: auto; word-break: break-all;">1mm</div></td></tr></tbody></table></div><div class="para" label-module="para" data-pid="82" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">七、对曲口试件保证测试精度的要求使用D型冲击装置，要求试件曲面半径大于30mm；使用G型冲击装置，要求试件曲面半径大于50mm。对不满足上述要求的球面、柱面和凹面等曲口试件，为保证测试精度，应采用异型支撑环（选购件）。</div><div class="para" label-module="para" data-pid="83" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">异型支撑环有如下规格：</div><div class="para" label-module="para" data-pid="84" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">1、外圆球面：K10-15mm，K14.5-30mm。</div><div class="para" label-module="para" data-pid="85" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">2、内圆球面：HK11-13mm，HK12.5-17mm，HK16.5-30mm。</div><div class="para" label-module="para" data-pid="86" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">3、外圆柱面：Z10-15mm，Z14.5-30mm，Z25-50mm。</div><div class="para" label-module="para" data-pid="87" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">4、内圆柱面：HZ11-13mm，HZ12.5-17mm，HZ16.5-30mm。</div><div class="para" label-module="para" data-pid="88" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">5、特殊外形：UN</div><div class="para" label-module="para" data-pid="89" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">八、对试件表面无磁性的要求试件表面不能带有磁性，带有磁性的试件将影响测试精度。要求试件剩磁应小于4G。</div><div class="para" label-module="para" data-pid="90" style="overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">九、对试件无振动的要求测试时，试件所处的四周环境不应有振动，否则会影响测试结果。</div> 
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