The State Measurement System. The state primary standard and the all-Union verification scheme for means of measuring excess pressure up to 6000 * 10 in the fifth power of Pa
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State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring pressure up to 250 MPa
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State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means, measuring pressure with upper limits from 10000·10 in 5 degree up to 40000·10 in 5 degree Pa
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State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means measuring absolute pressure within the range of 1·10 in minus 8 degree up to 1·10 in 3 degree Pa
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State system for ensuring the uniformity of measurements. The state special standard and all-union verification schedule for means of measurements of the difference of pressures up to 4·10 in 4 degree Pa
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State system for ensuring the uniformity of measurements. State special standard and all-union verification for means measuring absolute pressure within the range of 2,7·10 in 2 degree to 4000·10 in 2 degree Pa
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State system for ensuring the uniformity of measurements. State special standard and state hierarchy diagram for variable pressure measuring instruments in the range of 1·10 in 2 degree to 1·10 in 6 degree Pa for frequencies of 5·10 in minus 2 degree to 1·10 in 4 degree Hz, durations from 1·10 in minus 5 degree to 10 s under constant pressure up to 5·10 in 6 degree Pa
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State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means of measuring instruments of periodical pressure over the range 1-250 MPa at frequencies up to 10 kHz
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State system for ensuring the uniformity of measurements. State verification scheme for measuring instruments of sound pressure in water within frequency range from 1·10 -3 to 1·10 6 Hz
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