ygs67 发表于 2016-2-16 16:42:45

ASTM D1907 D1907M-12

ASTM D1907 D1907M-12 Standard Test Method for Linear Density of Yarn (Yarn Number) by the Skein Method

admin 发表于 2016-2-16 17:23:16

谢谢您的分享,金币已奖励!
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