DK66594C
(en )
1948-04-12
System with a gas-filled, electric discharge pipe.
CH221439A
(en )
1942-05-31
Electric discharge tube for generating ultra-high frequency oscillations.
CH220365A
(en )
1942-03-31
Device for generating ultra-high frequency oscillations.
CH216275A
(en )
1941-08-15
Circuit for ultra-high frequency oscillations.
CH234435A
(en )
1944-09-30
Discharge tube for generating ultra high frequency oscillations.
DK80288C
(en )
1955-12-19
Electron discharge device for generating ultra-high frequency electric oscillations.
DK60944C
(en )
1943-05-24
Electron tubes, especially for ultra-high Frequency.
DK56281C
(en )
1939-06-12
Electric discharge tube for generating high-frequency oscillations and containing an oscillation generator.
DK77638C
(en )
1954-06-08
Electric discharge tube for generating or amplifying electrical oscillations.
DK52519C
(en )
1937-01-04
Discharge tubes for generating ultra-high frequency electric oscillations without external feedback.
CH212929A
(en )
1940-12-31
Device with discharge vessel, in particular electron tube.
DK61952C
(en )
1944-02-21
Electric Discharge Tube for Amplification of High Frequency Oscillations.
DK60723C
(en )
1943-03-22
Pressed glass base for discharge tubes for very high frequency oscillations.
DK75399C
(en )
1953-02-09
Electron tubes for ultra-high frequency currents.
DK52844C
(en )
1937-03-22
Oscillator for generating high frequency oscillations.
AT160178B
(en )
1941-02-25
Frequency transformer at rest.
DK70170C
(en )
1949-11-07
Apparatus for amplifying or generating ultra-high frequency oscillations.
DK60575C
(en )
1943-02-08
Crystal controlled tube oscillator, especially for high frequency transmitters.
DK65364C
(en )
1947-01-27
Electron tubes for generating oscillations.
DK58627C
(en )
1941-04-28
Mixing tube for electric oscillations.
DK59365C
(en )
1942-01-05
Coupling for Generating or Amplifying Ultra High Frequency Oscillations.
DK69009C
(en )
1949-04-25
Ultra-high frequency device.
DK77488C
(en )
1954-05-03
Electrical circuit for generating sawtooth oscillations.
DK63589C
(en )
1945-06-11
Device for amplifiers for ultra-high frequency oscillations.
DK58208C
(en )
1940-12-02
Ion discharge tube with arcuate discharge for unidirectional high AC voltages.