TY  - BOOK
TI  - Ten and twenty-four channel microwave communication equipment model 4UAC10A1 and multiplex euipment model 4UBC1B1: TSM 50-45
U1  - 621.398 21st ed.
PY  - 1900///?]
CY  - [s.l.: s.n.]
KW  - Communication
KW  - Microwave communication systems
ER  -