familymember 发表于 2018-8-15 08:54:06

ASTM F2785-18 Standard Specification for Polyamide 12 Gas Pressure Pipe, Tubing

ASTM F2785-18  Standard Specification for Polyamide 12 Gas Pressure Pipe, Tubing, and Fittings

admin 发表于 2018-8-22 17:15:28

谢谢您的分享,金币已奖励!
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