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