CH221439A
(en )
1942-05-31
Electric discharge tube for generating ultra-high frequency oscillations.
DK62514C
(en )
1944-07-31
Apparatus and electric discharge tube for generating particularly high frequency electric oscillations.
DK56281C
(en )
1939-06-12
Electric discharge tube for generating high-frequency oscillations and containing an oscillation generator.
DK66507C
(en )
1948-03-30
Apparatus for generating or amplifying very high frequency oscillations.
DK51737C
(en )
1936-06-08
Apparatus for generating High Frequency currents.
CH234435A
(en )
1944-09-30
Discharge tube for generating ultra high frequency oscillations.
DK55843C
(en )
1939-02-20
Apparatus for generating higher harmonic electrical oscillations of a fundamental frequency.
DK70170C
(en )
1949-11-07
Apparatus for amplifying or generating ultra-high frequency oscillations.
DK49101C
(en )
1934-08-06
Apparatus for Receiving High Frequency Waves.
DK54852C
(en )
1938-06-13
Coupling with electric discharge tube for regulating the frequency of an oscillation system.
DK61952C
(en )
1944-02-21
Electric Discharge Tube for Amplification of High Frequency Oscillations.
DK49888C
(en )
1935-02-18
Termion Generator for Generating High Frequency and Ultra High Frequency Oscillations.
DK50368C
(en )
1935-06-24
Termion Generator for Generating High Frequency and Ultra High Frequency Oscillations.
DK65963C
(en )
1947-12-01
Apparatus with an Electric Discharge Tube for Very High Frequencies.
DK56158C
(en )
1939-05-08
Clay Procedure and Apparatus.
DK61848C
(en )
1944-01-31
Coupling and Discharge Tube for Amplification of High Frequency Electrical Oscillations.
DK61010C
(en )
1943-06-15
Method and Apparatus for the production of adjusted scales for apparatus with tunable oscillating circuits.
DK52519C
(en )
1937-01-04
Discharge tubes for generating ultra-high frequency electric oscillations without external feedback.
DK59210C
(en )
1941-11-17
Apparatus with an electric Multiplier type discharge tube.
DK67150C
(en )
1948-07-05
Electric discharge tubes, in particular for generating ultra-high frequency oscillations.
DK55970C
(en )
1939-03-27
Method and Apparatus for the Continuous Production of Hydrogen Peroxide.
DK54468C
(en )
1938-03-14
Apparatus for Receiving Sound Waves.
DK54840C
(en )
1938-06-07
Procedure and Apparatus for Disposal of Magazines in Enclosure Machines.
DK80288C
(en )
1955-12-19
Electron discharge device for generating ultra-high frequency electric oscillations.
DK51483C
(en )
1936-04-06
Apparatus for amplifying photocurrents and associated electric discharge tubes.