CH225867A
(en )
1943-02-28
Process for the production of tubular tungsten incandescent cathodes for electron tubes.
CH220849A
(en )
1942-04-30
Cathode ray tube.
CH255241A
(en )
1948-06-15
Cathode ray tube.
CH215769A
(en )
1941-07-15
Cathode for electron tubes.
CH219289A
(en )
1942-01-31
Electron microscope.
SU47531A1
(en )
1936-06-30
Double cone mandrel for tubular installation
DK59731C
(en )
1942-05-04
Procedure for Manufacturing Electron Beam Tubes.
DK54618C
(en )
1938-04-19
Method for Manufacturing High Vacuum Tubes.
CH219006A
(en )
1942-01-15
Cathode ray tube.
DK60944C
(en )
1943-05-24
Electron tubes, especially for ultra-high Frequency.
CH219290A
(en )
1942-01-31
Electron microscope.
DK65158C
(en )
1946-12-02
Method for Manufacturing a Paste-Coated Cathode for Electron Tubes.
DK59485C
(en )
1942-02-16
Procedure for the manufacture of electron tubes, in particular double-sided fused metal tubes.
CH211724A
(en )
1940-10-15
Cathode ray tube.
DK75399C
(en )
1953-02-09
Electron tubes for ultra-high frequency currents.
CH211199A
(en )
1940-08-31
Electron tubes, in particular cathode ray tubes.
DK56601C
(en )
1939-08-28
Procedure for Manufacturing Oxide Cathodes.
DK54520C
(en )
1938-03-28
Circuit for Electron Tube Emission Testing.
CH264441A
(en )
1949-10-15
Multi-system electron tube.
DK60600C
(en )
1943-02-15
Method for Manufacturing Pressed Glass Feet for Electron Tubes or Similar Discharge Containers.
DK59009C
(en )
1941-09-08
Coupling with a discharge tube, which has a secondary emission electrode for amplifying the anode current.
DK59845C
(en )
1942-06-08
Coupling for the production of an anode voltage for cathode ray tubes, in particular for television purposes.
DK50795C
(en )
1935-10-21
Oxide cathode, especially for a gaseous discharge tube.
DK55953C
(en )
1939-03-20
Double-guided electron tube.
DK53356C
(en )
1937-07-26
Procedure for Manufacturing Undercoats.