Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety and test methods. Part 2-17. Particular requirements for hand-held routers
Plugs and socket-outlets for household and similar purposes. Part 2-6. Particular requirements for switched socket-outlets with interlock for fixed electrical installations and methods of tests
State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 4. Reference levels for narrow-band masking noise
