9
Physical, optical and electrotechnical measuring, signalling, inspecting and testing apparatus and instruments; Electric and electronic communications technology equipment; Measuring and testing apparatus for sound and high-frequency technology; High-frequency transmitting and receiving apparatus; Antennas; Radar apparatus; Sonar apparatus and installations; Acoustic echo sounders for measuring distances for underwater sound and airborne sound; Group listening devices, Acoustic positioning and control apparatus; Underwater telephone apparatus; Radiotelephones; Data processing apparatus & parts thereof; Radio locating devices, signal apparatus for electromagnetic waves; Electronic measuring devices for radar engineering; Radio direction finders, ultrasound measuring apparatus for industrial purposes, fill-level echo sounders; Control rooms being part of process data installations; Process computers and systems consisting thereof; Data recording and reproduction apparatus; Monitors for displaying sensor data, remote data transmission devices, Data processing apparatus; Image compilers; Operating and display terminals with monitors and control panels, and protective housings for the aforesaid apparatus, interface units for connecting effectors; Software
37
Repair and maintenance of data processing equipment and apparatus for telecommunications technology
42
Engineering services; Creation and maintenance of data processing programs