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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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Mechanized attractions safety. Principal rules of the design of steel constructions

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Coating materials. Method of determination of hardness of the coating by pendulum damping

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