Russian standards PDF

State system for ensuring the uniformity of measurements. Portable digital periodmeters type PTsP-1. Methods and means of verifications

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State system for ensuring the uniformity of measurements. Mechanical stop-watches. Methods and means for verification

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State system for ensuring the uniformity of measurements. Machines for testing metal fatigue. Methods and means for verification

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State system for ensuring the uniformity of measurements. Aerometers. The values of coefficients of surface tension of liquids

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State system for ensuring the uniformity of measurements. Symbols for units of physical quantities to be used imprinting devices with a limited set of signs

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State system for ensuring the uniformity of measurements. Machines for textile web lengths measuring. Methods and means of verification

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