GOST 8.650-2015 State system for ensuring the uniformity of measurements. State verification scheme for measuring and reproduction instruments of sound pressure in water within frequency range from 1·10 -3 to 1·10 6 Hz
2015GOST 8.650-2015 State system for ensuring the uniformity of measurements. State verification scheme for measuring and reproduction instruments of sound pressure in water within frequency range from 1·10 -3 to 1·10 6 Hz