CH286695A
(en )
1952-10-31
Cathode ray tube circuit.
CH300410A
(en )
1954-07-31
Arc tube.
DK80639C
(en )
1956-03-05
Apparatus with an electron beam type electric discharge tube.
DK76650C
(en )
1953-11-09
Apparatus with an electron beam type electric discharge tube.
CH312426A
(en )
1955-12-31
Electric discharge tube.
CH319035A
(en )
1957-01-31
Discharge device with cathode ray generator
FR1068124A
(en )
1954-06-22
Electron tube cathode
FR1099285A
(en )
1955-09-01
Cathode ray tube
CH293278A
(en )
1953-09-15
Electric discharge tube.
DK77903C
(en )
1954-08-02
Apparatus with a speed-modulated electric discharge tube.
AT176614B
(en )
1953-11-10
Electric discharge tube
DK67193C
(en )
1948-07-12
Apparatus with an electric discharge tube with at least three grids.
CH291654A
(en )
1953-06-30
Electric discharge tube.
DK81815C
(en )
1957-01-14
Apparatus with an electron tube in which electrically charged particles are held together in a beam over a considerable distance.
DK65924C
(en )
1947-11-24
Apparatus with an Electron Tube for Ultra High Frequencies.
DK76147C
(en )
1953-07-27
Apparatus for making ribbed tubes.
DK104315C
(en )
1966-05-02
Apparatus with an electron discharge tube.
DK71865C
(en )
1950-12-18
Apparatus with an electron beam tube with a number of stable positions.
DK81863C
(en )
1956-09-24
Electron tube with wire-shaped cathode.
DK65963C
(en )
1947-12-01
Apparatus with an Electric Discharge Tube for Very High Frequencies.
DK86440C
(en )
1958-10-27
Apparatus with an electron beam tube and electron beam tube for the apparatus.
DK68231C
(en )
1948-12-27
Electron discharge device with V-shaped wire-shaped cathode.
CH309323A
(en )
1955-08-31
Cathode ray tube circuit.
FR1013399A
(en )
1952-07-28
Electronic tube direct current amplifier
DK86895C
(en )
1959-02-16
Geiger-Müller-type electric discharge tube.