DK107237C
(en )
1967-05-08
Coupling to automatic changeover system.
DK84830C
(en )
1958-05-12
Coupling to automatic signaling systems, in particular telephony systems.
DK86146C
(en )
1958-09-01
Coupling to automatic signaling systems, in particular telephony systems.
DK103894C
(en )
1966-03-07
Automatic telephone system.
CH358837A
(en )
1961-12-15
Transmission switching system, in particular for telephone purposes
DK88467C
(en )
1960-02-01
Monitoring connection to telecommunication systems.
DK92258C
(en )
1961-11-27
Coupling to automatic telephone systems.
DK87756C
(en )
1959-08-31
Automatic telephone system.
DK80185C
(en )
1955-11-28
Coupling for use in automatic telephone systems.
DK100060C
(en )
1964-10-19
Connection to an automatic telephone exchange.
DK97193C
(en )
1963-10-28
Coupling in automatic telephone systems.
DK86825C
(en )
1959-02-02
Telephone system.
DK107951C
(en )
1967-07-24
Automatic telephone system.
DK85332C
(en )
1958-04-08
Automatic telephone system.
DK91475C
(en )
1961-08-07
Automatic telephone system.
DK103948C
(en )
1966-03-14
Automatic telecommunication system.
IE22205L
(en )
1956-11-06
Telephone signalling systems.
DK74027C
(en )
1952-04-21
Coupling to signaling systems, in particular automatic telephone systems.
DK78822C
(en )
1955-02-07
Coupling for use in automatic telephone systems.
DK80669C
(en )
1956-03-12
Signaling systems, in particular for automatic telephone systems.
DK84797C
(en )
1958-05-05
Coupling for listing in automatic telephone systems.
DK88070C
(en )
1959-11-02
Fork coupling for two-wire telecommunication systems.
GR16219B
(en )
1955-05-02
AUTOMATIC HIGH PRESSURE INJECTOR.
DK81138C
(en )
1956-06-18
Coupling to telephone system.
DK80186C
(en )
1955-11-28
Coupling for use in automatic signaling systems.