Russian standards

Butterfly valves and spherical valves for hydraulic turbines. Technical specifications

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Transformers for tubular discharge lamps having a no-load output voltage exceeding 1000 V (generally called neon - transformers). General and safety requirements

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Powertrack systems. Part 22. Particular requirements for powertrack systems intended for on floor or under floor installation

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Carbon brushes for electrical machines. Construction. Types and dimensions

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Boxes and enclosures for electrical accessories for household and similar fixed electrical installations. Part 23. Particular requirements for floor boxes and enclosures

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Appliance couplers for household and similar general purposes. Part 2-2. Particular requirements for interconnection couplers for household and similar equipment. Requirements and methods of tests

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