DK60846C
(en )
1943-04-27
Method of Manufacturing Electrodes for Electric Cathode Flashing Lamps or Cathode Flash Tubes.
CH233012A
(en )
1944-06-30
Apparatus comprising an electric discharge tube with an electron mirror electrode.
CH217330A
(en )
1941-10-15
Electric discharge tube with one or more secondary emission electrodes.
DK56540C
(en )
1939-08-14
Electric Discharge Tube for Generating a Current of Rapid Ions.
CH221735A
(en )
1942-06-15
Gas-filled electric light bulb for series connection.
CH224049A
(en )
1942-10-31
Electric discharge tube.
DK66955C
(en )
1948-06-07
Method of Manufacturing a Photoelectric Electrode for Electric Discharge Tubes.
DK65754C
(en )
1947-10-20
Method of Manufacturing Air Tilt Electrodes for Galvanic Elements.
DK56571C
(en )
1939-08-21
Electric Cathode Flashing Light of Dwarf Light Size.
DK59049C
(en )
1941-09-22
Electric Discharge Tube with Secondary Emission Electrode.
DK63958C
(en )
1945-09-24
Method of Manufacturing an Electric Discharge Tank.
DK58647C
(en )
1941-05-05
Emission electrode for electric discharge tubes.
CH225065A
(en )
1942-12-31
Process for the production of electrodes for electric cathode glow lamps or tubes.
DK72296C
(en )
1951-03-19
Method for manufacturing an electric discharge lamp.
DK65758C
(en )
1947-10-20
Cathode for electric discharge pipes.
DK69855C
(en )
1949-09-12
Method of manufacturing electrodes for electric accumulators.
DK61812C
(en )
1944-01-17
Method of Making an Electrolyte Paste for Tor Elements.
DK62362C
(en )
1944-06-19
Electric Discharge Tube with Indirect Heated Cathode.
DK56719C
(en )
1939-09-25
Electric Discharge Tube for Light Emission.
DK74764C
(en )
1952-09-29
Double or multi-wound metal wire filament for electric discharge tubes.
DK61247C
(en )
1943-08-23
Electrode for electric Mercury fluorescent lamps and Procedure for its manufacture.
DK71757C
(en )
1950-11-27
Luminaire for tubular electric discharge lamps.
DK65521C
(en )
1947-08-18
Electric Discharge Tube with Indirect Heated Cathode and Method for Manufacturing the Cathode.
DK59781C
(en )
1942-05-18
Electric discharge tube with one or more preferably band-shaped electron beams.
DK54580C
(en )
1938-04-11
Electric Discharge Lamp.