兑水 发表于 2009-10-6 19:38:57

ASTM D 3754-2004 玻璃纤维增强热固树脂污水压力管和工业压...

D3754-04 Standard Specification for Fiberglass (Glass-Fiber-Reinforced Thermosetting-Resin) Sewer and Industrial Pressure Pipe
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