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【国外标准】 Devices to prevent pollution by backflow of potable water. In-line anti-vacuum valves DN 10 to DN 50 inclusive. Family D, type A
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标准简介
适用范围:
暂无
标准号:
BS EN 14451:2020
标准名称:
Devices to prevent pollution by backflow of potable water. In-line anti-vacuum valves DN 10 to DN 50 inclusive. Family D, type A
英文名称:
Devices to prevent pollution by backflow of potable water. In-line anti-vacuum valves DN 10 to DN 50 inclusive. Family D, type A标准状态:
现行-
发布日期:
2020-07-06 -
实施日期:
出版语种:
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