AT311426B
(en )
1973-11-12
Circuit arrangement for telecommunications systems, in particular telephone exchange systems
AT257701B
(en )
1967-10-25
Circuit arrangement for telecommunication, in particular telephone systems with two-way connections
AT314616B
(en )
1974-04-10
Circuit arrangement for telecommunication, in particular telephone systems with two-way connections
AT304647B
(en )
1973-01-10
Frame for telecommunications, in particular telephone systems
CH537134A
(en )
1973-05-15
Circuit arrangement for telecommunications switching systems, in particular telephone switching systems, for four-wire connection through switching via coupling fields
AT323243B
(en )
1975-06-25
CIRCUIT ARRANGEMENT FOR TELEPHONE SWITCHING SYSTEMS, IN PARTICULAR TELEPHONE SWITCHING SYSTEMS, WITH ASSIGNERS
AT266227B
(en )
1968-11-11
Circuit arrangement for centrally controlled telecommunication systems, in particular telephone systems, with two-way connections
AT309540B
(en )
1973-08-27
Circuit arrangement for centrally controlled telecommunications switching systems, in particular telephone switching systems, with two-way connections
CH527483A
(en )
1972-08-31
Memory arrangement with plate-shaped, block-like combined memory matrices for telecommunications, in particular telephone systems
CH532348A
(en )
1972-12-31
Circuit arrangement for telecommunications switching systems, in particular telephone switching systems, with four-wire connection through-connection
CH521667A
(en )
1972-04-15
Circuit arrangement for telecommunications systems, in particular telephone exchanges, with cross-field control devices
CH530744A
(en )
1972-11-15
Circuit arrangement for telecommunication switching systems, in particular telephone switching systems
AT290633B
(en )
1971-06-11
Circuit arrangement for telecommunication switching systems, in particular telephone switching systems
AT300050B
(en )
1972-07-10
Circuit arrangement for telecommunications, in particular telephone systems
AT312695B
(en )
1974-01-10
Circuit arrangement for telecommunications, in particular telephone exchanges, with a self-locking test multiple
CH510361A
(en )
1971-07-15
Arrangement for telecommunications, in particular telephone systems with central charge registration
AT320747B
(en )
1975-02-25
Circuit arrangement for telecommunications, in particular telephone systems with dialing star devices
AT281134B
(en )
1970-05-11
Circuit arrangement for telecommunications systems, in particular telephone exchange systems, with sequence control
AT309538B
(en )
1973-08-27
Circuit arrangement for telecommunications systems, in particular telephone exchange systems
AT308205B
(en )
1973-06-25
Circuit arrangement for centrally controlled telecommunications switching systems, in particular telephone switching systems, with two-way connections
CH526243A
(en )
1972-07-31
Circuit arrangement for telecommunication switching systems, in particular telephone switching systems, with concentrators
AT259635B
(en )
1968-01-25
Circuit arrangement for telecommunication systems, in particular telephone branch exchange systems with memories
AT304649B
(en )
1973-01-10
Circuit arrangement for telecommunication switching systems, in particular telephone switching systems
CH450496A
(en )
1968-01-31
Circuit arrangement for telephone systems, in particular telephone branch exchange systems
CH521020A
(en )
1972-03-31
Circuit arrangement for telecommunications systems, in particular telephone exchanges, with cross-field control devices