ygs67 发表于 2017-12-14 20:23:34

ASTM D6777-16

ASTM D6777-16 Standard Test Method for Relative Rigidity of Poly(Vinyl Chloride)(PVC) Siding

admin 发表于 2017-12-15 17:49:53

谢谢您的分享，金币已奖励!
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查看完整版本: ASTM D6777-16