State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring mass concentration of dissolving in water gasses (oxygen, hydrogen)
Steel pipes for manufacturing of equipment and piping of nuclear power plants. General specifications. Part 2. Seamless steel pipes of austenitic steel grades 08Х18Н10Т and 08Х18Н10Т-Ш
Electric and optical fibre cables. Test methods for non-metallic materials. Part 301. Electrical tests. Measurement of the permittivity at 23 °C of filling compounds
