GB 30717-2019
蹲便器水效限定值及水效等级
Minimum allowable values of water efficiency and water efficiency grades for squatting pans
- 实施日期
- 2021-01-01
- ICS 分类
- 91.140.70
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 30717-2019
Minimum allowable values of water efficiency and water efficiency grades for squatting pans
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