yixiaoxiao 发表于 2017-5-29 06:06:36

A225A225M-93R99

A225A225M-93R99
Standard Specification for Pressure Vessel Plates, Alloy  Steel, Manganese-Vanadium-Nickel

admin 发表于 2017-5-31 10:30:25

谢谢您的分享,金币已奖励!
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