Main prod. Group survey
deu
fra
esp
14
Electrical and electronics industry
Apparatus and installations for radio communications
Radio link systems and components
5341.11
Directional radio systems, narrow band and digital
5341.14
Directional radio systems, wideband and digital
5341.17
Directional radio systems, analogue
5341.21
Aerials (antennas) for directional radio transmitting and receiving stations