DIN EN 331-1999 标准详情
- 标准号:DIN EN 331-1999
- 中文标题:建筑物燃气设备上的手动球阀和底部关闭锥形塞阀
- 英文标题:Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings; German version EN 331:1998
- 标准类别:德国标准
- 发布日期:1999-04
The document specifies general requirements for manually operated ball valves and closed bottom taper plug valves for gas installations for buildings.
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