Withdrawn
Standard
Most Recent
BS 109:1921
Air-break knife switches and air-break isolating switches for voltages not exceeding 660 volts excluding totally-enclosed and flame proof types
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Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 01/30/1933 |
| Cancellation Date | 01/30/1933 |
| Page Count | 0 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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