GB/T 19473.1-2020
冷热水用聚丁烯(PB)管道系统 第1部分:总则
Polybutene (PB) piping systems for hot and cold water installations—Part 1: General
- 实施日期
- 2021-06-01
- ICS 分类
- 83.140.30
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 19473.1-2020
Polybutene (PB) piping systems for hot and cold water installations—Part 1: General
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