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Medical electrical equipment. Part 2-46. Particular requirements for the basic safety and essential performance of operating tables
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Interstate system for ensuring the uniformity of measurements. Weight amounts of the standard materials for preparation of the buffer solutions - operational pH standards of 2-nd and 3-rd classes. The technical and the metrological characteristics. Methods of them
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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 7. Phase sequence
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Optics and photonics. Nuts for optical instrument making. Design and dimensions
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Sensory analysis. Guidelines for sensory assessment of the colour of food products
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