yixiaoxiao 发表于 2017-5-29 06:27:02

A285/A285M-90R96

A285/A285M-90R96
Standard Specification for Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength

admin 发表于 2017-5-31 10:30:35

谢谢您的分享,金币已奖励!
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