FR949975A
(en )
1949-09-14
Electronic discharge tube
ES176051A1
(en )
1947-01-16
ELECTRON DISCHARGE APPARATUS
FR57683E
(en )
1953-05-04
Electronic discharge tubes
FR948341A
(en )
1949-07-28
Advanced discharge tube
DK64794C
(en )
1946-09-16
Radiation source consisting of an electric gaseous discharge tube and a luminescent layer.
FR873550A
(en )
1942-07-10
Gas-filled electric discharge tubes
FR921915A
(en )
1947-05-22
Improvements to discharge fluorescent lamps
FR886576A
(en )
1943-10-19
Incandescent cathode rectifier tube
DK62747C
(en )
1944-10-02
Electric Radiation Lamps.
FR882868A
(en )
1943-06-17
Radiation source comprising an electric discharge tube in a gas atmosphere and a luminescent layer
FR888490A
(en )
1943-12-14
Electron tube
FR886242A
(en )
1943-10-08
Electronic radiation tubes, especially braun tubes
FR939406A
(en )
1948-11-15
Improvements to electronic discharge tubes
FR933987A
(en )
1948-05-07
Improvements to electronic discharge tubes
FR930284A
(en )
1948-01-21
Improvements to electronic discharge tubes
FR947299A
(en )
1949-06-28
Improvements to discharge lamps, fluorescent lamps and similar tubes
DK71337C
(en )
1950-08-07
Electric radiation source with a luminescent material and method of manufacturing the material.
FR886754A
(en )
1943-10-25
Electric discharge tube
FR884593A
(en )
1943-08-20
Electric discharge tube
FR938644A
(en )
1948-10-20
Improvements to flash lamps and their manufacture
DK70266C
(en )
1949-11-28
Electric discharge tube with fluorescent material and a method for producing fluorescent material for use in such a tube.
FR940660A
(en )
1948-12-20
Glow Screen Discharge Tube
FR885358A
(en )
1943-09-13
Discharge tubes
DK66123C
(en )
1947-12-29
Electron-optical image intensifier consisting of an image intensifier tube and a secondary emission multiplier.
FR929995A
(en )
1948-01-13
Electronic discharge tubes