DK103623C
(en )
1966-01-31
Sodium vapor discharge lamp with a discharge tube.
FR1308692A
(en )
1962-11-09
Hollow cathode improvements
BE588920A
(en )
1960-07-18
Cathode system.
CH397879A
(en )
1965-08-31
Glow discharge tube, in particular voltage stabilizing tube
DK95060C
(en )
1963-01-02
Glow discharge tube with at least one auxiliary anode and a guard cathode.
BE589992A
(en )
1960-10-24
Improvements to cold cathode discharge tubes.
CH394403A
(en )
1965-06-30
Discharge-heated sintered cathode for gas-filled discharge tubes
DK98973C
(en )
1964-06-08
Electric discharge tube with glow cathode.
DK89407C
(en )
1960-07-25
Glow discharge tube with auxiliary anode.
DK89365C
(en )
1960-07-18
Glow discharge tube with an auxiliary electrode.
FR1309030A
(en )
1962-11-09
Auxiliary Anode Glow Discharge Tube
BE558559A
(en )
1960-03-25
GLOW DISCHARGE TUBE, WITH AUXILIARY ANODE.
CH414874A
(en )
1966-06-15
Cold cathode discharge tube with multiple electrodes
DK96194C
(en )
1963-06-10
Electric discharge tube with indirect heated cathode.
CH382860A
(en )
1964-10-15
Gas discharge tube filled with hydrogen
FR1272750A
(en )
1961-09-29
Cold cathode gas discharge indicator tube
CH386571A
(en )
1965-01-15
Indirectly heated cathode in a discharge tube
FR1228141A
(en )
1960-08-26
Cold Cathode Gas Discharge Tube
BE558560A
(en )
1960-03-25
AUXILIARY ELECTRODE DISCHARGE TUBE.
DK97049C
(en )
1963-10-07
Electron discharge tube with fluorescent screen.
DK100834C
(en )
1965-01-25
Low pressure arc discharge tube with an activated incandescent electrode.
FR1252492A
(en )
1961-01-27
Thermionic cathode discharge tube
CH404811A
(en )
1965-12-31
Cathode for gas discharge tubes
CH396234A
(en )
1965-07-31
Multiple-electrode gas discharge tube
DK93468C
(en )
1962-05-21
Electric discharge tube with an indirect heated cylindrical cathode.