DK118730B
(en )
1970-09-28
Elongated high voltage vacuum tube.
DK118620B
(en )
1970-09-14
Cathode ray tubes.
CH397092A
(en )
1965-08-15
Cathode for an electric discharge tube
BE588920A
(en )
1960-07-18
Cathode system.
DK93307C
(en )
1962-04-30
Method for manufacturing cathodes for electric discharge tubes.
DK93468C
(en )
1962-05-21
Electric discharge tube with an indirect heated cylindrical cathode.
CH383508A
(en )
1964-10-31
Indirectly heated cathode for electrical discharge tubes
DK100183C
(en )
1964-11-02
Electric discharge tube with an indirectly heated, elongated cylindrical cathode.
DK98973C
(en )
1964-06-08
Electric discharge tube with glow cathode.
DK103901C
(en )
1966-03-07
Electron tubes with annular electrode support flanges.
DK96194C
(en )
1963-06-10
Electric discharge tube with indirect heated cathode.
CH404812A
(en )
1965-12-31
Immediately heated cathode unit for an electrical discharge tube
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.
DK97047C
(en )
1963-10-07
Glow discharge tubes, especially voltage stabilizer tubes.
DK89365C
(en )
1960-07-18
Glow discharge tube with an auxiliary electrode.
DK89407C
(en )
1960-07-25
Glow discharge tube with auxiliary anode.
CH366906A
(en )
1963-01-31
Electric discharge tube with an indirectly heatable cathode
DK98390C
(en )
1964-04-06
X-ray tube with rotating anode.
CH387178A
(en )
1965-01-31
Electric discharge tube with indirectly heated cathode
DK88904C
(en )
1960-05-02
Electric discharge tube with a monitor.
BE595048A
(en )
1961-03-14
Electric discharge tube with indirectly heated cathode.
BE592102A
(en )
1960-10-17
Thermionic tube.
FR1266434A
(en )
1961-07-07
Thermionic tube cathode
DK100836C
(en )
1965-01-25
Cathode for electric discharge pipes.