itjetk 发表于 2019-12-6 09:47:30

ASTM B1004-16

ASTM B1004-16 Standard Practice for Contact Performance Classification of Electrical Connection Systems

蚩余 发表于 2019-12-6 09:47:31

http://bbs.infoeach.com/forum.php?mod=viewthread&tid=229209&page=1&extra=#pid1921192
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蚩余 发表于 2019-12-6 13:17:10

http://bbs.infoeach.com/forum.php?mod=viewthread&tid=229209&extra=
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黄兆祥i 发表于 2019-12-7 08:04:28

http://www.doc88.com/p-5611706314456.html
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