Electromagnetic compatibility of technical equipment. Technical equipment intended for connection to symmetrical lines. Parameters of unbalance about earth. Measuring arrangements
Reinforced concrete structures and units. Radioactive method of determination of concrete protective covering thickness, reinforcement dimensions and arrangement
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 1·10-2 to 2·10-9 Hz
