I.S. EN 50069-1991 标准详情
- 标准号:I.S. EN 50069-1991
- 中文标题:焊接复合外壳铸造和锻造铝合金对于充气高压开关设备和控制
- 英文标题:Welded Composite Enclosures Of Cast And Wrought Aluminium Alloys For Gas-filled High-voltage Switchgear And Controlgear
- 标准类别:爱尔兰国家标准I.S.
- 发布日期:
Applicable to welded composite enclosures of cast and wrought aluminium and aluminium alloy enclosures pressurized with dry air, inert gases, e.g. sulphur hexafluorlde or nitrogen or a mixture of such gases, used in indoor or outdoor installations of
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