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标题:
ISO 148-2:2008 CHARPY IMPACT TEST
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作者:
pkh6688
时间:
2015-11-20 08:56:10
标题:
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
作者:
admin
时间:
2015-11-20 15:47:25
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