CH249243A
(en )
1947-06-15
Gas or vapor-filled electric discharge tube.
CH260736A
(en )
1949-03-31
Electric discharge lamp.
CH250761A
(en )
1947-09-15
Electric discharge tube with artificially cooled anode.
CH262907A
(en )
1949-07-31
Disc-shaped, indirectly heated cathode for electrical discharge tubes.
CH239109A
(en )
1945-09-15
High pressure electric discharge tube.
DK68442C
(en )
1949-01-24
Electric discharge container, in particular electron tube, with pressed glass plate with lead-through pins.
CH241775A
(en )
1946-03-31
Electric discharge tube.
CH234242A
(en )
1944-09-15
Electric discharge tube.
AU125550B2
(en )
1947-10-02
Improvements in electric discharge tubes
DK71490C
(en )
1950-09-18
Electric discharge device with glass container.
AU1858545A
(en )
1947-10-02
Improvements in electric discharge tubes
AU126372B2
(en )
1948-01-15
Improvements in electron discharge devices ofthe magnetron type
CH243222A
(en )
1946-06-30
High pressure electric discharge tube.
AU1935145A
(en )
1948-01-15
Improvements in electron discharge devices ofthe magnetron type
AU122477B2
(en )
Improvements in electron discharge devices andi, associated apparatus
DK76363C
(en )
1953-09-14
Electric discharge device with flat electrodes.
CH250513A
(en )
1947-08-31
Electric discharge tube with sleeve cathode.
CA421937A
(en )
1944-08-08
Electric discharge device lead-in arrangement
AU128034B2
(en )
1948-07-08
Improvements in grid electrodes for electron discharge devices
CH241768A
(en )
1946-03-31
Electric discharge tube.
AU129834B2
(en )
1946-07-30
Improvements in HPMV electric discharge lamps
AU130698B2
(en )
1946-07-30
Improvements in HPMV electric discharge lamps
AU132057B2
(en )
1946-07-31
Improvements in electric discharge lamps
AU125332B2
(en )
1947-09-18
Improvements in electric discharge devices
CA419297A
(en )
1944-03-28
Discharge device cathode