State system for ensuring the uniformity of measurements. The measuring of quantity of taken from bowels oil and oil gas. General metrological and technical requirements
State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of alternate electrical voltage to 1000 V in the frequency range from 1-10 in minus 2 degree up to 2-10 in 9 degree Hz
System of product-quality indices. Power, small, measuring transformer. Complete transformer substations. High-voltage bushings. Nomenclature of indices
