sanmaosjy 发表于 2017-12-8 15:52:49

SAE AMS 4211B:2007 Alluminum Alloy, Plate 6.2Zn - 1.9Cu - 2.1Mg - 0.10Zr (7040-

SAE AMS 4211B:2007 Alluminum Alloy, Plate 6.2Zn - 1.9Cu - 2.1Mg - 0.10Zr (7040-T7451)

admin 发表于 2017-12-12 16:14:03

谢谢您的分享，金币已奖励!
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