Russian standards PDF

International electrotechnical vocabulary. Part 702. Oscillations, signalsand related devices

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Electroacoustics. Hearing aids. Part 13. Requirements and methods of measurement оf immunity to electromagnetic disturbances from digital wireless devices

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Low-voltage surge protective devices. Part 12. Surge protective devices connected to low-voltage power distribution systems. Selection and application principles

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Textile materials. Standard atmospheres for conditioning and testing

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Occupational safety standards system. Personal protective means of hear body. Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

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Non-destructive testing of welds. Ultrasonic testing. Automated control by ultrasonic method with the use of phased arrays

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