CH331072A
(en )
1958-06-30
Circuit arrangement for a subscriber line in an automatic telephone exchange
CH528193A
(en )
1972-09-15
Circuit arrangement for a telecommunications, in particular telephone switching system
AT303218B
(en )
1972-11-10
Unit for telecommunications equipment
CH488360A
(en )
1970-03-31
Distribution frame for telecommunications, in particular telephone systems
CH483171A
(en )
1969-12-15
Telecommunications system, in particular telephone exchange
AT320036B
(en )
1975-01-27
Circuit arrangement for exchanges in a telecommunications network
AT285682B
(en )
1970-11-10
Corrector arrangement for a telecommunication system, in particular a telephone exchange
AT311426B
(en )
1973-11-12
Circuit arrangement for telecommunications systems, in particular telephone exchange systems
BG19214A3
(en )
1975-04-30
MACHINE FOR TELECOMMUNICATIONS, ESPECIALLY FOR TELEPHONE EXCHANGE
AT312695B
(en )
1974-01-10
Circuit arrangement for telecommunications, in particular telephone exchanges, with a self-locking test multiple
CH488353A
(en )
1970-03-31
Number switches for telecommunications equipment, in particular telephone equipment
AT320031B
(en )
1975-01-27
Distribution frame for telecommunications, in particular telephone systems
AT318715B
(en )
1974-11-11
Circuit arrangement for searching for free connection paths in a telecommunications network
AT294200B
(en )
1971-11-10
Circuit arrangement for identifying a subscriber in telephone switching systems
AT282694B
(en )
1970-07-10
Circuit arrangement for telephone private branch exchanges
AT300048B
(en )
1972-07-10
Arrangement for a telecommunication, in particular telephone system
AT310258B
(en )
1973-09-25
Circuit arrangement for searching for free connection paths in a telecommunications network
AT326187B
(en )
1975-11-25
CIRCUIT ARRANGEMENT FOR SEARCHING FREE CONNECTION PATHS IN A REMOTE COMMUNICATION NETWORK
DE2024361B2
(en )
1972-10-26
CIRCUIT ARRANGEMENT FOR CALLING SUBSCRIBER STATIONS IN TELEPHONE SYSTEMS
CH486181A
(en )
1970-02-15
Circuit arrangement for a telecommunication, in particular telephone exchange
AT251663B
(en )
1967-01-10
Circuit arrangement for a telephone subscriber station
CH531290A
(en )
1972-11-30
Circuit arrangement for a program-controlled telephone system
CH519284A
(en )
1972-02-15
Circuit arrangement for telecommunications, in particular telephone exchanges, with time-division multiple switching
AT287070B
(en )
1971-01-11
Circuit arrangement for a dial recording device for telecommunications, in particular telephone private branch exchanges
AT294930B
(en )
1971-12-10
Arrangement for telecommunications switching systems, in particular telephone systems