FR1068078A
(en )
1954-06-22
Circuit breakers
FR1061985A
(en )
1954-04-16
Circuit breaker
CH339258A
(en )
1959-06-30
Circuit arrangement for switching systems
FR1060097A
(en )
1954-03-30
Circuit breakers
AT176882B
(en )
1953-12-10
Circuit arrangement for automatic telephone switching equipment
CH315749A
(en )
1956-08-31
Circuit arrangement for subscriber telephone station
FR1046582A
(en )
1953-12-08
Automatic circuit breaker
FR1065619A
(en )
1954-05-28
Circuit breaker
CH313271A
(en )
1956-03-31
Circuit arrangement for an automatic telephone system
FR1052813A
(en )
1954-01-28
Circuit breakers
FR1064778A
(en )
1954-05-18
Circuit breakers
FR1068739A
(en )
1954-06-30
Circuit breaker
FR1057989A
(en )
1954-03-12
Circuit breakers
FR62546E
(en )
1955-06-15
Automatic circuit breaker
AT174955B
(en )
1953-05-26
Circuit arrangement for multiple telephones
ES27488Y
(en )
1952-03-16
Automatic circuit breaker
AT172874B
(en )
1952-10-25
Circuit breaker
FR1068067A
(en )
1954-06-22
Circuit breakers
AT173738B
(en )
1953-01-26
Selector device for telecommunications systems
AT174423B
(en )
1953-03-25
Circuit arrangement for private branch exchanges
AT178652B
(en )
1954-06-10
Circuit arrangement for line selectors
AT174090B
(en )
1953-02-25
Circuit arrangement for telephone systems with direct dialing
AT177811B
(en )
1954-03-10
Circuit arrangement for subscriber connection devices in automatic telephone switching systems
CH299866A
(en )
1954-06-30
Electromagnetic switching device, preferably for telecommunications equipment.
AT172879B
(en )
1952-10-25
Switching piece for disconnector