ygs67 发表于 2016-2-23 08:52:25

ASTM D1922-15 S

ASTM D1922-15 Standard Test Method for Propagation Tear Resistance of Plastic Film and Thin Sheeting by Pendulum Method

admin 发表于 2016-2-23 16:33:14

谢谢您的分享,金币已奖励!
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