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Protection against overcurrent and insulation monitoring mine electric equipment

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Explosive atmospheres. Part 17. Electrical installations inspection and maintenance

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Radio-frequency cables types PK 50-33-15; PK 50-33-15-B and PK 50-33-15-OP. Specifications

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Technical energy systems. Methods for analysis. Part 1. Basic principles

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Combined flexible materials for electrical insulation. Specifications

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Electrical apparatus for use in the presence of combustible dust. Part 2. Test methods. Section 3. Method for determining minimum ignition energy of dust/air mixtures

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