氯化聚氯乙烯塑料管|沙特标准|SASO ASTM F442M
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氯化聚氯乙烯塑料管|沙特标准|SASO ASTM F442M
Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe (SDR–PR)
氯化聚氯乙烯塑料管（SDR–PR）标准规范
Technical Regulation for Building Materials Part:5 Pipes used in Water,Electricity and Gas Networks