ygs67 发表于 2016-2-22 10:17:14

ASTM D7842 D7842M-12

ASTM D7842 D7842M-12 Standard Test Method for Holding Strength of Tack and Prong Fastener Attached Buttons

admin 发表于 2016-2-22 15:05:32

谢谢您的分享,金币已奖励!
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