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State system for ensuring the uniformity of measurements. Expert metrologist for metrological examination of technical documentation. General requirements
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Wine production. Method for determination of citric acid mass concentration
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AC сircuit-breakers for voltages from 6 to 35 kV for railway traction substations, transformer substations and railway power supply linear devices. General specifications
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Global navigation satellite system. Geodetic satellite frames. Terms and definitions
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