Unplasticized polyvinyl chloride pipes and fittings for drainage in building
建筑排水用硬聚氯乙烯管材和管件
Unplasticized polyvinyl chloride pipes - General quality requirements and testing
未增塑聚氯乙烯管.一般质量要求.检验
Unplasticized polyvinyl chloride pipes for general service
硬聚氯乙烯管
Plastics. Unplasticized polyvinyl chloride pipes and fittings. Assembly by sealing rings for pressure pipelines. Fitness for use.
塑料.未增塑聚氯乙烯压力管用密封圈的固定接头.使用特性.规范
Unplasticized polyvinyl chloride pipes and fittings. Assembly by sealing rings for pressure pipelines. Dimensional caracteristics.
装配有压力管用密封圈的未增塑聚氯乙烯管和接头.尺寸特性