Technical specification for unplasticized polyvinyl chloride double-wall noise-reducing pipeline engineering of water sewerage in buildings(explanation)
国外标准现行
标准号:CECS 185-2005(条文说明)
标准名称: 建筑排水中空壁消音硬聚氯乙烯管管道工程技术规程
英文名称:Technical specification for unplasticized polyvinyl chloride double-wall noise-reducing pipeline engineering of water sewerage in buildings(explanation)