mechen 发表于 2013-12-29 17:44:05

ASTM A 134 − 96 R05

ASTM A 134 − 96 R05  Specification for Pipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS16 and Over)




nbjwbzj 发表于 2013-12-30 09:09:59

谢谢分享!!!!!!!

admin 发表于 2013-12-30 18:36:35


谢谢您的分享,金币已奖励!
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