TCECS 10110-2020 排污、排水用高性能硬聚氯乙烯管材.pdf

ICS83.140.30CCSG33团体标；佳T/CECS10110—2020排污、排水用高性能硬聚氯乙烯管材Highperformanceunplasticizedpoly(vinylchloride)pipesf...