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Low-voltage switches, switch-disconnectors. General technical specifications

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Adjustable speed electrical power drive systems. Part 1. General requirements. Rating specifications for low voltage adjustable speed d.c. power drive systems

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Radio-frequency cable type PK 50-1-21. Specifications

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Electrotechnical products. General technical requirements for resistance to attack by special media

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Explosive atmospheres. Part 14. Electrical installations design, selection and erection

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Electric and optical fibre cables. Test methods for non-metallic materials. Part 402. Miscellaneous tests. Water absorption tests

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