Functional safety. Safety instrumented systems for the process industry sector. Part 3. Guidelines for the determination of the required safety integrity levels
Conformity assessment system for the use of nuclear energy. Welded joints of parts made of steels of different structural classes for equipment and piping of nuclear power installations. The ultrasonic examination procedure
State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring radiation field parameters of antenna systems with operating dimensions of apertures from 0,40 to 0,75m at the frequency range from 8.2 to 40,0 GHz
