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  • BS EN 1453-1:2017
    建筑物內糞水和廢水排放(低和高溫)用的結構墻壁管道的塑料管道系統.非增塑的聚氯乙烯(PVC-U)的管道和系統規范

    Plastics piping systems with structured-wall pipes for soil and waste discharge (low and high temperature) inside buildings. Unplasticized poly(vinyl chloride) (PVC-U). Specifications for pipes and the system



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