ygs67 发表于 2015-6-17 09:59:55

ASTM A1037 A1037M-05 R12

ASTM A1037 A1037M-05 R12 Standard Specification for Steel Line Pipe, Black, Furnace-Butt-Welded

admin 发表于 2015-6-18 08:32:33

谢谢您的分享,金币已奖励
页: [1]
查看完整版本: ASTM A1037 A1037M-05 R12