sigh007 发表于 2014-8-25 10:06:45

ASTM A572/A572M-2013a Standard Specification for High-Strength Low-Alloy Columbi

Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel

gbt8163 发表于 2014-8-25 11:13:41

多谢楼主分享好资料！

admin 发表于 2014-8-25 11:17:02

谢谢您的分享，金币已奖励

dives4shen 发表于 2014-8-25 12:31:50

标准规格高强度低合金铌钒结构钢

hxyyy 发表于 2014-8-26 21:29:47

谢谢哦，谢谢！！！！！！！！

lulao 发表于 2014-8-26 22:44:18

我想看 ASTM A572/A572M-2013a Standard Specification for High-Strength Low-Alloy Columbi

TTOOKK 发表于 2014-8-29 18:50:52

wa xiexie lou zhu zhen hao  a  a

2013 发表于 2014-8-30 23:32:05

谢谢分享！！！！！！！！！！！！！！！！！！

tyj203 发表于 2015-5-11 14:25:54

谢谢分享ASTM A572/A572M-2013a Standard Specification for High-Strength Low-Alloy Columbi

heg316 发表于 2015-11-18 15:56:35

谢谢楼主分享~~~~~~~~~~~~~~~~~~~~~
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