内容简要 前言········································п1范围·······································12规…
给水及压力排污、排水用高性能 硬聚氯乙烯(PVC-UH)管件标准号为T/JSGS 012-2022,发布日期:2022-12-01、实施日期:2023-01-01,所属团体名称为中国农业节水和农村供水技术协会。
本文网址:https://www.171zz.com/document/203908.html
内容简要 前言········································п1范围·······································12规…
给水及压力排污、排水用高性能 硬聚氯乙烯(PVC-UH)管件标准号为T/JSGS 012-2022,发布日期:2022-12-01、实施日期:2023-01-01,所属团体名称为中国农业节水和农村供水技术协会。
本文网址:https://www.171zz.com/document/203908.html