leunghb 发表于 2013-12-20 11:35:25

ASTM A2-02(Reapproved 2008) Carbon Steel Girder Rails of Plain, Grooved, and Gua

ASTM A2-02(Reapproved 2008)

Standard Specification for
Carbon Steel Girder Rails of Plain, Grooved, and Guard Types

admin 发表于 2013-12-20 11:45:34

谢谢您的分享，金币已奖励！

mechen 发表于 2013-12-20 11:58:54

谢谢您的鼎力协助，后续敬请陆续帮忙
页: [1]
查看完整版本: ASTM A2-02(Reapproved 2008) Carbon Steel Girder Rails of Plain, Grooved, and Gua