ygs67 发表于 2016-2-23 09:02:03

ASTM D792-13

ASTM D792-13 Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement

admin 发表于 2016-2-23 16:34:27

谢谢您的分享,金币已奖励!

luohi1234 发表于 2016-9-9 16:27:01


谢谢您的分享,金币已奖励!
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