CH436790A
(en )
1967-05-31
Communication system
CH397851A
(en )
1965-08-31
Circuit with controlled rectifiers
DK114415B
(en )
1969-06-30
Communication switchgear.
CH366573A
(en )
1963-01-15
Transceiver in a communication system
CH418416A
(en )
1966-08-15
Traffic radio system with a selection circuit
CH439387A
(en )
1967-07-15
Telegraph system
CH446445A
(en )
1967-11-15
Electronic telecommunication system
CH411047A
(en )
1966-04-15
Electronically switching telecommunications system
CH395614A
(en )
1965-07-15
Ribbon connector
NL274669A
(en )
1964-09-25
Transmission lines
FR1367905A
(en )
1964-07-24
Inverter network
CH452597A
(en )
1968-03-15
Communication system
AT263880B
(en )
1968-08-12
Communication cable with plastic-insulated cores
AT232059B
(en )
1964-02-25
Communication system with a hybrid circuit
AT256209B
(en )
1967-08-10
Communication cable with plastic-insulated cores
CH444236A
(en )
1967-09-30
Resonant circuit transmission network
CH409025A
(en )
1966-03-15
Hybrid circuit for communication systems
AT242993B
(en )
1965-10-11
Link circuit with a tunnel diode
CH420291A
(en )
1966-09-15
Branch circuit in a community antenna system
DK107363C
(en )
1967-05-22
Electrical connection.
FR1321727A
(en )
1963-03-22
Converter circuit
CH419257A
(en )
1966-08-31
Radio communication system
CH396112A
(en )
1965-07-31
Circuit arrangement with at least one tunnel diode
NL143394B
(en )
1974-09-16
COMMUNICATION SYSTEM.
CH419234A
(en )
1966-08-31
Communication system operating with pulse phase modulation