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20/30430763 DC
M00000639
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27 November 2020 BS EN 50122-3. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Part 3. Mutual Interaction of AC and DC traction systems
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Circuits, Direct current, Railway electric traction equipment, Voltage, Railway equipment, Electric power distribution, Electrical safety, Electric power systems, Alternating current, Railway fixed equipment, Earthing