CH502050A
(en )
1971-01-15
Metallic conductor network on a base
BG17354A3
(en )
1973-07-25
DISTRIBUTION MACHINE FOR TELECOMMUNICATIONS, ESPECIALLY TELEPHONE EXCHANGE
CH503444A
(en )
1971-02-15
Method for assembling a telephone subscriber station
CH414759A
(en )
1966-06-15
Circuit arrangement for searching for and selecting free connection paths in a switching network containing switching stages
SE426769B
(en )
1983-02-07
MULTI-STEP CONNECTING NETWORK IN A TELEPHONE SYSTEM
AT310258B
(en )
1973-09-25
Circuit arrangement for searching for free connection paths in a telecommunications network
SE395997B
(en )
1977-08-29
CIRCUIT DEVICE FOR ESTABLISHING CONNECTIONS IN A TELECOMMUNICATIONS EXCHANGE
AT318715B
(en )
1974-11-11
Circuit arrangement for searching for free connection paths in a telecommunications network
CH500645A
(en )
1970-12-15
Method for searching for free connection paths in a telecommunications network
CH504824A
(en )
1971-03-15
Method 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
AT333854B
(en )
1976-12-10
CIRCUIT ARRANGEMENT FOR SEARCHING FREE CONNECTION PATHS IN A REMOTE COMMUNICATION NETWORK
AT323816B
(en )
1975-07-25
CIRCUIT ARRANGEMENT FOR SETTING UP A CONNECTION IN A PCM COMMUNICATION NETWORK CONNECTED VIA PCM TIME MULTIPLEX CABLES
CH516269A
(en )
1971-11-30
Method for searching for free connection paths in a telecommunications network
AT320036B
(en )
1975-01-27
Circuit arrangement for exchanges in a telecommunications network
CH502731A
(en )
1971-01-31
Circuit arrangement for a loudspeaker station
CH351641A
(en )
1961-01-31
Circuit arrangement in telecommunications systems
CH462254A
(en )
1968-09-15
Procedure for setting up connections in a telecommunications network
AT284920B
(en )
1970-10-12
Method for synchronizing at least two oscillators associated with telecommunications networks
AT297806B
(en )
1972-04-10
Circuit arrangement for testing connection lines in telephone exchange systems
CH488353A
(en )
1970-03-31
Number switches for telecommunications equipment, in particular telephone equipment
BR6804912D0
(en )
1973-05-31
IMPROVEMENTS IN TELEPHONE EQUIPMENT
AT308846B
(en )
1973-07-25
Circuit arrangement for telecommunications equipment
CH454231A
(en )
1968-04-15
Circuit arrangement for subscriber circuits in telecommunications systems
AT282694B
(en )
1970-07-10
Circuit arrangement for telephone private branch exchanges