Withdrawn
Standard
Most Recent
BS 689:1936
Railway mechanical signalling apparatus (signal posts semaphore signals, fittings and connections, and point connections and fittings.)
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Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 07/20/1936 |
| Cancellation Date | 05/31/1957 |
| Page Count | 0 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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