Russian standards PDF
International electrotechnical vocabulary. Part 841. Industrial electroheat
Document status: Active
Lamp caps and holders for light sources together with gauges for the control of interchangeability and safety. Part 4. Guidelines and general information
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Plugs, socket-outlets and couplers for industrial purposes. Part 2. Dimensional interchangeability requirements for pin and contact-tube accessories
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Lampholders for tubular fluorescent lamps and starter holders
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Transportable motor-operated electric tools. General safety requirements and testing methods
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Electromechanical elementary relays. Part 1. General requirements
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