标 准 号：DIN 8063-12-1987 简体中文标题：未增塑聚氯乙烯压力管道的管连接组件和接头.带法兰的和承口接头的尺寸 繁体中文标题：未增塑聚氯乙烯压力管道的管连接组件和接头.带法兰的和承口接头的尺寸 English Name：Pipe joint assemblies and fittings of unplasticized polyvinyl chloride (U-PVC) pressure pipelines; dimensions of flanged and socket fittings ...