Connecting devices for low-voltage circuit for household and similar purposes. Part 2-2. Particular requirements for connecting devices as separate entities with screwless-type clamping units
Steel pipes for manufacturing of equipment and piping of nuclear power plants. General specifications. Part 3. Longitudinally welded steel pipes of non-alloy and alloy steels
Electromagnetic compatibility of technical equipment. Radio communication equipment. Part 14. Specific requirements for analogue and digital terrestrial TV broadcasting service transmitters