liugangyu 发表于 2017-8-4 16:10:20

ASTM B193-2008

esignation: B 193 – 02 (Reapproved 2008)
Standard Test Method for
Resistivity of Electrical Conductor Materials

admin 发表于 2017-8-4 17:08:09


谢谢您的分享,金币已奖励!
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