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Mas-wrestling equipment. Requirements and test methods

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Lifts. Disinfection of equipment for preventing the spread of the new coronavirus and other types of infections. Safety requirements

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Vibration. Measurement of vibration generated internally in railway tunnels by the passage of trains

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Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 5. Resistance to earth

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Optics and photonics. Optical materials. Methods for determination of optical homogeneity

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Arc welding. Welded joints in pipelines of copper and copper-nickel alloy. Main types, design elements and dimensions

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