聚乙烯（PE）管道|沙特标准|SASO-ISO4427-2
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聚乙烯（PE）管道|沙特标准|SASO-ISO4427-2
Plastic spiping systems for water supply,and for drainage and sewerage under pressure-Polyethylene(PE)-Part2:Pipes
压力供水、排水和污水处理用塑料管道系统.聚乙烯（PE）.第2部分：管道
Technical Regulation for Building Materials Part:5Pipesusedin Water,Electricity and Gas Networks