DK118730B
(en )
1970-09-28
Elongated high voltage vacuum tube.
CH364837A
(en )
1962-10-15
Tubular electric discharge lamp
CH397092A
(en )
1965-08-15
Cathode for an electric discharge tube
DK93307C
(en )
1962-04-30
Method for manufacturing cathodes for electric discharge tubes.
CH383508A
(en )
1964-10-31
Indirectly heated cathode for electrical discharge tubes
DK96014C
(en )
1963-05-20
Lattice electrode for high-frequency electric discharge tubes.
DK93267C
(en )
1962-04-24
Lattice electrode for high-frequency electric discharge tubes.
DK90369C
(en )
1961-02-06
Base for electric discharge lamps.
DK103247C
(en )
1965-12-06
Lattice electrode for electric discharge tubes.
CH380249A
(en )
1964-07-31
Electron discharge device
DK98973C
(en )
1964-06-08
Electric discharge tube with glow cathode.
FR1201754A
(en )
1960-01-06
Arc separator
DK100836C
(en )
1965-01-25
Cathode for electric discharge pipes.
DK91431C
(en )
1961-07-31
Electric discharge pipe for high voltages.
DK96194C
(en )
1963-06-10
Electric discharge tube with indirect heated cathode.
DK93468C
(en )
1962-05-21
Electric discharge tube with an indirect heated cylindrical cathode.
CA548461A
(en )
1957-11-05
Electric discharge tube for high-frequency amplification
DK88400C
(en )
1960-01-18
Electric discharge pipe.
CH359794A
(en )
1962-01-31
cathode ray tube
GR16914B
(en )
1956-04-09
TUBE ELECTRIC HOB.
CH404811A
(en )
1965-12-31
Cathode for gas discharge tubes
DK104883C
(en )
1966-07-18
Electrode.
DK88904C
(en )
1960-05-02
Electric discharge tube with a monitor.
DK103197C
(en )
1965-11-29
Electron tubes.
AT207003B
(en )
1960-01-11
Equipotential cathode for an electric discharge tube