Russian standards

Radio-frequency cable type PK 50-7-22. Specifications

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Hydraulic turbines. Methods of field acceptance tests

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Caplights for use in mines susceptible to firedamp. Part 2. Performance and other safety-related matters

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Luminaires. Part 2-24. Particular requirements. Luminaires with limited surface temperatures

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Electronic control gear supplied from the sources of direct or alternative current for light emitted diode modules. Performance requirements

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Magnetically hard ferrites. Grades and main parameters

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