ygs67 发表于 2016-2-24 16:28:29

ASTM F441 F441M-13e1

ASTM F441 F441M-13e1 Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe, Schedules 40 and 80

admin 发表于 2016-2-25 16:07:25

谢谢您的分享,金币已奖励!
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