
【国外标准】 BS EN 13077. Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B
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适用范围:
暂无
标准号:
21/30441565 DC
标准名称:
BS EN 13077. Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B
英文名称:
BS EN 13077. Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B标准状态:
现行-
发布日期:
2021-11-04 -
实施日期:
出版语种:
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