Russian standards PDF

Audio and audiovisual equipment. Digital audio parts. Basic measurement methods of audio characteristics. Part 2. Consumer use

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Insulating liquids. Determination of contamination by polychlorinated biphenyls (PCBs) by capillary column gas chromatography method

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Electrical accessories. Circuit-breakers and similar equipment for household use. Auxiliary contact units

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Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety and test methods. Part 2-5. Particular requirements for circular saws

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Safety of laser products. Part 9. Compilation of maximum permissible exposure to incoherent optical radiation

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Petroleum and natural gas industries. Subsurface safety valve systems. Design, installation, operation and redress. General technical requirements

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