mechen 发表于 2013-12-29 19:44:38

ASTM A 268 _ A 268M _ 05a

ASTM A 268 _ A 268M _ 05a  Specification for Seamless and Welded Ferritic and Martensitic StainlessSteel Tubing for General Service



nbjwbzj 发表于 2013-12-30 09:06:57

谢谢分享！！！！！！！

admin 发表于 2013-12-30 18:39:16


谢谢您的分享，金币已奖励！
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