| Example of Typical Catalogue Entry |
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Document No. |
Issue No. |
Date |
Price Code |
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GKRT0060 |
Iss 4 |
Jun 03 |
(A) |
| Title |
Interlocking Principles
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| Description |
This document mandates the principles of interlocking of signals, points and other parts of the signalling system so that safe operation of trains is ensured.
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Last modified at 07/02/2012 00:39 by System Account
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