ygs67 发表于 2015-11-9 10:30:24

ASTM F3042-13

ASTM F3042-13 Standard Specification for Nonferrous Hex Socket, Slotted Headless, and Square Head Set Screws

admin 发表于 2015-11-9 16:02:04

谢谢您的分享,金币已奖励!
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