ES176051A1
(en )
1947-01-16
ELECTRON DISCHARGE APPARATUS
FR874922A
(en )
1942-08-31
Improvements made to electric discharge tubes with directed electron beams
DK66114C
(en )
1947-12-29
Electric discharge tube with directional electron beam and apparatus with such a tube.
CH255241A
(en )
1948-06-15
Cathode ray tube.
CH233012A
(en )
1944-06-30
Apparatus comprising an electric discharge tube with an electron mirror electrode.
FR868395A
(en )
1941-12-29
Electric discharge tube
FR851941A
(en )
1940-01-18
Cathode ray tubes and the like
FR871623A
(en )
1942-05-02
Magnetic Concentration Cathode Ray Tube
CH218678A
(en )
1941-12-31
Cathode ray tube.
DK62590C
(en )
1944-08-21
Electric discharge tube with directional electron beam and coupling with such a tube.
FR858528A
(en )
1940-11-27
Discharge vessel, in particular electron tube and mount for this vessel
DK58773C
(en )
1941-06-16
Apparatus with an Electron Multiplier Tube.
CH219006A
(en )
1942-01-15
Cathode ray tube.
FR873959A
(en )
1942-07-24
Cathode ray tube
DK60967C
(en )
1943-05-31
Apparatus with an electric Gaseous discharge tube.
DK67193C
(en )
1948-07-12
Apparatus with an electric discharge tube with at least three grids.
FR880408A
(en )
1943-03-25
Electron tube
DK59781C
(en )
1942-05-18
Electric discharge tube with one or more preferably band-shaped electron beams.
DK65963C
(en )
1947-12-01
Apparatus with an Electric Discharge Tube for Very High Frequencies.
DK59210C
(en )
1941-11-17
Apparatus with an electric Multiplier type discharge tube.
FR886489A
(en )
1943-10-15
Discharge tube for the production of ionic and electron rays
DK61534C
(en )
1943-11-08
Iron electrode for electric discharge tubes and method for its manufacture.
CA384130A
(en )
1939-09-19
Electron discharge apparatus
CA385949A
(en )
1939-12-26
Electron discharge apparatus
DK57659C
(en )
1940-06-03
Electron Tube with Concentration Electrode and Acceleration Electrode.