ygs67 发表于 2016-2-25 09:56:49

ASTM F1974-09(2015)

ASTM F1974-09(2015) Standard Specification for Metal Insert Fittings for Polyethylene-Aluminum-Polyethylene and Crosslinked Polyethylene-Aluminum-Crosslinked Polyethylene Composite Pressure Pipe

admin 发表于 2016-2-25 16:14:36

谢谢您的分享,金币已奖励!
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