标 准 号：DIN 8063-4-1983 简体中文标题：未增塑聚氯乙烯压力管道用管连接组件和接头.内外螺母、法兰盘、密封件.尺寸 繁体中文标题：未增塑聚氯乙烯压力管道用管连接组件和接头.内外螺母、法兰盘、密封件.尺寸English Name：Pipe joint assemblies and fittings for unplasticized polyvinyl chloride (PVC-U) pressure pipes; bushings, flanges, seals; dimensions...