排水用芯层发泡硬聚氯乙烯(PVC-U)管材
Unplasticized polyvinyl chloride (PVC-U) pipes with a cellular core for drainage and sewerage systems
标准状态
发布于：1997-05-28
实施于：1998-01-01
已废止
基本信息
内容预览
Unplasticized polyvinyl chloride (PVC-U) pipes with a cellular core for drainage and sewerage systems