DK118730B
(en )
1970-09-28
Elongated high voltage vacuum tube.
CH397092A
(en )
1965-08-15
Cathode for an electric discharge tube
DK93307C
(en )
1962-04-30
Method for manufacturing cathodes for electric discharge tubes.
CH397879A
(en )
1965-08-31
Glow discharge tube, in particular voltage stabilizing tube
CH383508A
(en )
1964-10-31
Indirectly heated cathode for electrical discharge tubes
DK98973C
(en )
1964-06-08
Electric discharge tube with glow cathode.
DK93468C
(en )
1962-05-21
Electric discharge tube with an indirect heated cylindrical cathode.
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
CH387178A
(en )
1965-01-31
Electric discharge tube with indirectly heated cathode
DK97047C
(en )
1963-10-07
Glow discharge tubes, especially voltage stabilizer tubes.
FR1262531A
(en )
1961-05-26
Advanced Electric Discharge Tube
BE595048A
(en )
1961-03-14
Electric discharge tube with indirectly heated cathode.
FR1267590A
(en )
1961-07-21
Electric discharge tube with indirectly heated cathode
CH386571A
(en )
1965-01-15
Indirectly heated cathode in a discharge tube
DK103247C
(en )
1965-12-06
Lattice electrode for electric discharge tubes.
CH366906A
(en )
1963-01-31
Electric discharge tube with an indirectly heatable cathode
DK100834C
(en )
1965-01-25
Low pressure arc discharge tube with an activated incandescent electrode.
DK100836C
(en )
1965-01-25
Cathode for electric discharge pipes.
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.
CH399605A
(en )
1965-09-30
Glow discharge tube, in particular voltage stabilizing tube
AT258426B
(en )
1967-11-27
Indirectly heatable cathode for an electrical discharge tube
DK89365C
(en )
1960-07-18
Glow discharge tube with an auxiliary electrode.
DK89650C
(en )
1960-09-05
Glow discharge tubes, in particular voltage stabilizer tubes.