CH260736A
(en )
1949-03-31
Electric discharge lamp.
CH250761A
(en )
1947-09-15
Electric discharge tube with artificially cooled anode.
CH299862A
(en )
1954-06-30
Electric discharge device with photocathode and fluorescent screen.
CH239640A
(en )
1945-10-31
Electric discharge tube with secondary emission electrode.
AT173768B
(en )
1953-01-26
Heavy-duty anode and electric discharge tube with such an anode
CH293278A
(en )
1953-09-15
Electric discharge tube.
CH298666A
(en )
1954-05-15
Electric discharge tube with outer anode and zirconium trap.
AT178147B
(en )
1954-04-10
Cathode for electric discharge tubes with an operating temperature exceeding 1000 ° C
CH291654A
(en )
1953-06-30
Electric discharge tube.
AT176614B
(en )
1953-11-10
Electric discharge tube
CH297973A
(en )
1954-04-15
Electric discharge tube with ribbon-shaped electron beam and one-sided deflection.
CH269933A
(en )
1950-07-31
Electric discharge tube with an indirectly heated cathode.
AT180996B
(en )
1955-02-10
Electric discharge tube with an oxide cathode
CH241775A
(en )
1946-03-31
Electric discharge tube.
AT169756B
(en )
1951-12-27
Electric gas discharge lamp
AT174679B
(en )
1953-04-25
Electric discharge tube with flat electrodes
CH270976A
(en )
1950-09-30
Electric discharge tube with an indirectly heatable cathode.
CH291653A
(en )
1953-06-30
High vacuum electric discharge tube.
CH240902A
(en )
1946-01-31
Electric discharge tube with an electron mirror.
CH247329A
(en )
1947-02-28
Electric discharge tube with an electron mirror.
CH281177A
(en )
1952-02-29
Combined current and voltage converter.
AT171106B
(en )
1952-04-25
Electric lamp with a glow discharge cathode
FR934632A
(en )
1948-05-27
Emissive cathode
CH241299A
(en )
1946-02-28
Electric discharge tube with an electron mirror and at least one deflection electrode.
AT176268B
(en )
1953-10-10
Electric discharge tube