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Electrical apparatus for explosive gas atmospheres. Part 25. Intrinsically safe systems

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Lampholders for fluorescent lamps and starters. Specifications

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Ceramic insulators for voltage to 1000 V. General specifications

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Radio-frequency cable type PK 75-9-13. Specifications

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Lightning protection system components. Part 5. Requirements for earth electrode inspection housings and earth electrode seals

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Electrical apparatus for explosive gas atmospheres. Part 17. Inspection and maintenance of electrical installations in hazardous areas (other than mines)

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