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Standard
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BS 764:1937
Specification. Automatic change-over switches and contactors for emergency lighting systems
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Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 12/13/1937 |
| Page Count | 0 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
31/05/1990
Active
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12/06/1974
Superseded
Historical
13/12/1937
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