
【国外标准】 Manually operated ball valves and closed bottom taper plug valves for gas installations in buildings
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2025-04-30
- DIN EN 331
- 废止
- 定价: 551元
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适用范围:
暂无
标准号:
DIN EN 331
标准名称:
Manually operated ball valves and closed bottom taper plug valves for gas installations in buildings
英文名称:
标准状态:
废止-
发布日期:
2001-04-01 -
实施日期:
出版语种:
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