leunghb 发表于 2013-12-13 10:57:45

ASTM A370-09ae1 Mechanical Testing of Steel Products

ASTM A370-09ae1

Standard Test Methods and Definitions for
Mechanical Testing of Steel Products

admin 发表于 2013-12-15 14:06:18


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mechen 发表于 2013-12-20 12:44:08

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hooifong 发表于 2014-3-3 23:13:48

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