CH249243A
(en )
1947-06-15
Gas or vapor-filled electric discharge tube.
CH250761A
(en )
1947-09-15
Electric discharge tube with artificially cooled anode.
CH239640A
(en )
1945-10-31
Electric discharge tube with secondary emission electrode.
DK67511C
(en )
1948-08-30
Discharge tube with Mercury cathode and submerged Ignition Electrode.
DK66043C
(en )
1947-12-15
Ion discharge tube with Mercury cathode and floating igniter.
DK69799C
(en )
1949-08-29
Electric discharge tube with ignition electrode.
CH248330A
(en )
1947-04-30
Electric discharge tube.
CH248942A
(en )
1947-05-31
Mercury contact tube.
FR937631A
(en )
1948-08-23
Improvements to cathodes of electric lamps, discharge tubes and the like
DK66248C
(en )
1948-01-26
Electric Fluorescent Tube with Ignition Electrode.
DK71543C
(en )
1950-10-02
Discharge tubes with a liquid or solid cathode and with a capacitive ignition electrode.
CH241775A
(en )
1946-03-31
Electric discharge tube.
DK66908C
(en )
1948-05-31
High Voltage Ion Discharge Tube with at least one liquid electrode.
DK65572C
(en )
1947-09-01
Electric Discharge Tube with Evaporation Protection of the Electrodes.
DK64771C
(en )
1946-09-09
Electric Discharge Tube with Unbroken Secondary Emission Electrode.
DK72614C
(en )
1951-06-11
Electric discharge tube and methods of making an electrode system therefor.
DK68231C
(en )
1948-12-27
Electron discharge device with V-shaped wire-shaped cathode.
CH250513A
(en )
1947-08-31
Electric discharge tube with sleeve cathode.
CA421434A
(en )
1944-07-11
Gas discharge tube and circuit
DK67601C
(en )
1948-09-13
Electric discharge tube with a fluorescent substance and method of manufacturing the fluorescent substance.
CH248328A
(en )
1947-04-30
Mercury contact tube.
FR931664A
(en )
1948-03-01
Discharge tube with electrode spacer
FR911627A
(en )
1946-07-16
Further development of the cathodes of electronic discharge tubes
DK72568C
(en )
1951-05-28
Electric discharge tube with an electron mirror.
DK71474C
(en )
1950-09-11
Electric discharge tube with a pierced anode and a secondary emission electrode.