Road vehicles. Components of the fuel system for supply of compressed gaseous hydrogen (CGH2) or hydrogen/natural gas mix. Part 12. Gas-tight housing and ventilation hoses
Electroacoustics. Hearing aids. Part 13. Requirements and methods of measurement оf immunity to electromagnetic disturbances from digital wireless devices
Low-voltage switchgear and controlgear. Part 5-5. Control circuit devices and switching elements. Electrical emergency stop devices with mechanical latching function
