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Explosive atmospheres. Part 29-4. Gas detectors. General technical requirements and test methods of open path detectors for flammable gases

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Low-voltage fuses. Part 3. Supplementary requirements for fuses for use by unskilled persons

Document status: Replaced by GOST IEC 60269-3-2025

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

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Occupational safety standards system. Explosionproof electrical apparatus. Terms and definitions. Classification. Marking

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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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