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Low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 4. Resistance of earth connection and equipotential bonding

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Vacuum technology. Measurement of performance characteristics of mass-spectrometer method of tightness control

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Textiles. Determination of water repellency by the rain-shower test (Bundesmann method)

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Centrifugal water well electrically driven pump units. Basic parameters and dimensions

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Parachute landing facilities for cargo and technique. Terms and definitions

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Artificial intelligence. Controllability of automated artificial intelligence systems

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