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High-pressure mercury vapour lamps. Performance specifications

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Remote sensing of the Earth from space. Remote sensing data of the Earth from space. General requirements for stereo processing

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State system for ensuring the uniformity of measurements. Standards of inductance and mutual inductance. Calibration procedure

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State system for ensuring the uniformity of measurements. System for measuring of quantity and parameters of free oil gas. General metrological and technical requirements

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Levels with micrometrical feed of ampule. Methods and means of verification

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Hot-deformed seamless steel pipes for the welded steel structures. Specifications

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