ygs67 发表于 2016-2-23 08:53:20

ASTM D1894-14

ASTM D1894-14 Standard Test Method for Static and Kinetic Coefficients of Friction of Plastic Film and Sheeting

admin 发表于 2016-2-23 16:33:16

谢谢您的分享,金币已奖励!
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