Russian standards PDF
State system for ensuring the uniformity of measurements. Metals and alloys. Vickers hardness test. Part 3. Calibration of reference block
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State system for ensuring the uniformity of measurements. Measurement microphones. Part 7. Values for difference between free-field and pressure sensitivity levels of laboratory standard microphones
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State system for ensuring the uniformity of measurements. Analyzers of oxygen dissolved in water. Verification procedure
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State system for ensuring the uniformity of measurements. State verification schedule for means measuring the propagation velocities of longitudinal, shear and surface ultrasonic waves in solids
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State system for ensuring the uniformity of measurements. Condensation hygrometers. The method of verification
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State system for ensuring the uniformity of measurements. Measurement of energy and the effective characteristics ultraviolet radiation germicidal irradiators. Procedure of measurements
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