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【国外标准】 Air-break switches including isolated switches, totally enclosed and flame proof types for voltages not exceeding 660 volts
- 标准编号: BS 861:1939
- 标准状态:被代替
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标准号:
BS 861:1939
标准名称:
Air-break switches including isolated switches, totally enclosed and flame proof types for voltages not exceeding 660 volts
英文名称:
Air-break switches including isolated switches, totally enclosed and flame proof types for voltages not exceeding 660 volts标准状态:
被代替-
发布日期:
1953-12-03 -
实施日期:
出版语种:
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