CH329942A
(en )
1958-05-15
Circuit arrangement for free selection processes in telecommunication systems, in particular telephone systems
CH324915A
(en )
1957-10-15
Circuit arrangement for telecommunications, in particular telephone systems
AT192968B
(en )
1957-11-11
Circuit arrangement for telecommunication systems, in particular telephone systems with dial-up operation
CH353408A
(en )
1961-04-15
Circuit arrangement for subscriber station in telecommunication systems, in particular telephone systems, with keypad selection
CH315053A
(en )
1956-07-15
Circuit arrangement in telecommunication systems, in particular telephone systems
AT193433B
(en )
1957-11-25
Circuit arrangement for telecommunications, in particular telephone systems
CH313882A
(en )
1956-05-15
Circuit arrangement for telecommunications systems, in particular for telephone systems with dialer operation
CH305582A
(en )
1955-02-28
Circuit arrangement for telecommunications, in particular telephone systems with relay selectors.
CH305581A
(en )
1955-02-28
Circuit arrangement for telecommunication systems with relay selectors, in particular telephone systems.
CH314163A
(en )
1956-05-31
Selector switches for telecommunication systems, in particular telephone systems
AT185410B
(en )
1956-04-25
Circuit arrangement for telephone extension systems with dialer operation
CH317711A
(en )
1956-11-30
Multiple switches for telecommunication systems, in particular telephone systems
CH364531A
(en )
1962-09-30
Circuit arrangement for an electronic selector for detouring in telecommunication systems, in particular telephone systems
AT180085B
(en )
1954-11-10
Circuit arrangement for telecommunications systems, in particular for telephone systems with dialer operation
CH313884A
(en )
1956-05-15
Circuit arrangement for limiting the test time in telecommunication systems with dialer operation, especially in telephone systems
AT175612B
(en )
1953-07-25
Circuit arrangement for telecommunications, in particular telephone dialing systems
CH309051A
(en )
1955-08-15
Circuit arrangement for line selectors in telecommunications systems, in particular in telephone systems.
AT197442B
(en )
1958-04-25
Circuit arrangement for direction selector in telecommunication systems, in particular telephone systems
CH353407A
(en )
1961-04-15
Circuit arrangement for an electronic selector for detouring in telecommunications, in particular telephone systems
AT198326B
(en )
1958-06-25
Circuit arrangement for voters in telecommunication systems, in particular telephone systems
CH356498A
(en )
1961-08-31
Double coincidence circuit for telecommunication systems, in particular telephone systems
CH296854A
(en )
1954-02-28
Switching device, in particular dialers for telecommunications systems.
AT180965B
(en )
1955-02-10
Contact field for voters in telecommunications systems, especially telephone systems
AT189239B
(en )
1957-03-11
Circuit arrangement in telecommunication systems, in particular telephone systems with motor selectors
AT191940B
(en )
1957-09-25
Motor selectors for telecommunications, in particular telephone systems