Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering methods for small movable sources in reverberant fields. Part 1. Comparison method for a hard-wall test room
Hydraulic turbines, storage pumps and pump-turbines. Cavitation pitting evaluation. Part 1. Evaluation in reaction turbines, storage pumps and pump-turbines
Occupational safety standards system. Protective clothing against solid airborne particles including radioactive contamination. General technical requirements and test methods
