pkh6688 发表于 2015-11-20 08:56:10

ISO 148-2:2008 CHARPY IMPACT TEST

ISO 148-2:2008 CHARPY IMPACT TEST

Metallic materials — Charpy pendulum
impact test —

Part 2:
Verification of testing machines

admin 发表于 2015-11-20 15:47:25

谢谢您的分享,金币已奖励!
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