Unplasticized poly(vinyl chloride) (PVC-U) end-loadbearing double socket joints - Test method for leaktightness and strength while subjected to bending and internal pressure (ISO 13783:1997)
塑料管道系统.未增塑聚氯乙烯(PVC-U)端部承载双承插接头.弯曲和内压下密封性和强度的试验方法(ISO 13783-1997);德文版EN ISO 13783:1997