ygs67 发表于 2015-7-1 15:25:00

ASTM A493-09(R13)

ASTM A493-09(R13) Specification for Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging

admin 发表于 2015-7-2 11:35:01

谢谢您的分享,金币已奖励!
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