CH277494A
(en )
1951-08-31
Automatic telecommunications switchgear.
CH294912A
(en )
1953-11-30
Automatic telephony installation.
CH270706A
(en )
1950-09-15
Automatic telephone system.
CH261999A
(en )
1949-06-15
Automatic firearm.
DK73390C
(en )
1951-11-19
Coordinate selector for automatic telephone systems.
CH276281A
(en )
1951-06-30
Telecommunication system.
CH262449A
(en )
1949-06-30
Automatic telephone system.
DK75210C
(en )
1952-12-29
Coordinate selector for automatic telephone systems.
DK75604C
(en )
1953-03-23
Coordinate selector for automatic telephone systems.
DK75936C
(en )
1953-06-08
Coordinate selector for automatic telephone systems.
DK78682C
(en )
1955-01-03
Automatic telephone system.
CH270285A
(en )
1950-08-31
Automatic firearm.
DK69926C
(en )
1949-09-19
Automatic firearm.
DK70987C
(en )
1950-05-08
Automatic firearm.
DK80669C
(en )
1956-03-12
Signaling systems, in particular for automatic telephone systems.
ES174651A1
(en )
1946-10-01
IMPROVEMENTS IN AUTOMATIC OR SEMIAUTOMATIC TELEPHONE CENTRAL SYSTEMS.
FR928398A
(en )
1947-11-26
Automatic telephony systems
DK71271C
(en )
1950-07-24
Coupling device for automatic telephone systems.
ES15408Y
(en )
1948-02-16
Automatic valve.
IE17791L
(en )
1947-04-05
Telephone systems.
IE18980L
(en )
1947-03-27
Automatic telephone exchange systems
DK73242C
(en )
1951-10-22
Contact device, especially selector for automatic telephone systems.
IE19494L
(en )
1947-05-14
Automatic exchange systems.
IE19074L
(en )
1947-08-14
Automatic exchange systems.
IE19479L
(en )
1947-05-14
Automatic exchange systems.