73402935
Nov 17, 1982
Mar 19, 1985
Radio Communication Transmitters and Receivers; Electronic Direction Finding and Distance Measuring Transmitters and Receivers Using Electromagnetic and Sound Waves; Piezoelectric Transponders; Aircraft and Aircraft Engine Monitoring Transducers, Analysers and Displays; Data Switching Exchange Units; Inductors and Transformers; Illuminated Instrumentation Panels; Power Supplies; Radar Transmitters and Receivers; Radio Telephone Transmitters and Receivers; Hybrid Micro Circuits; Printed Circuit Boards; and, Alpha-Numeric Display Units
Electrical and Scientific Apparatus