CH293821A
(en )
1953-10-15
Automatic telecommunication center.
CH287723A
(en )
1952-12-15
Automatic switching device for telecommunication exchange.
CH277808A
(en )
1951-09-15
Selector switch.
CH311996A
(en )
1955-12-15
Automatic switching equipment for telecommunications installation.
DK85870C
(en )
1958-07-14
Coordinate selector type switching mechanism for automatic telephone systems.
DK80830C
(en )
1956-04-09
Coordinate selector type switching mechanism for automatic telephone systems.
CH291946A
(en )
1953-07-15
Rotary selector for automatic telephone systems.
CH287409A
(en )
1952-11-30
Automatic switching installation for telecommunications.
DK77095C
(en )
1954-02-15
Rotatable switch for automatic telephone systems.
CH282227A
(en )
1952-04-15
Telephone station with selector switch.
DK89108C
(en )
1960-06-07
Line selection system for automatic telephone exchanges.
DK75936C
(en )
1953-06-08
Coordinate selector for automatic telephone systems.
DK75604C
(en )
1953-03-23
Coordinate selector for automatic telephone systems.
DK75210C
(en )
1952-12-29
Coordinate selector for automatic telephone systems.
DK76923C
(en )
1954-01-04
Selects, especially for automatic telephone systems.
FR59587E
(en )
1954-06-28
Crossbar switch for automatic telephone systems
ES188312A1
(en )
1949-08-01
A SWITCH, MORE PARTICULARLY A SELECTOR, FOR AUTOMATIC TELEPHONE SYSTEM
CH288570A
(en )
1953-01-31
Automatic switching device.
DK73242C
(en )
1951-10-22
Contact device, especially selector for automatic telephone systems.
CH273880A
(en )
1951-02-28
Crossbar switch for automatic telephone systems.
DK84565C
(en )
1958-03-17
Coordinate selector type selector.
AT176884B
(en )
1953-12-10
Automatic telecommunication switching system
AT171625B
(en )
1952-06-25
Switching device for automatic telephone systems
AU149877B2
(en )
1950-02-23
Automatic switching devices for telephone systems
CH297627A
(en )
1954-03-31
Automatic switching installation for telecommunications.