Russian standards PDF
International electrotechnical vocabulary. Part 431. Transductors
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Residual current-operated protective devices (RCDs) for household аnd similar use. Electromagnetic compatibility
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Residual current devices with or without overcurrent protection for socket-outlets for household and similar uses
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Leather. Wet blue sheep skins. Technical requirements
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State system for ensuring the uniformity of measurements. Mass fraction of water in oil-gas-water mixture. Requirements to procedures (methods) of measurements
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