兑水 发表于 2009-10-7 21:24:31

ASTM D 3982-2003 定做的接触压力模制玻璃纤维增强的热固树脂...

D3982-03 Standard Specification for Contact Molded Fiberglass (Glass Fiber Reinforced Thermosetting Resin) Duct and Hoods
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