CH307780A
(en )
1955-06-15
Cylinder cathode, especially for a magnetron tube.
CH260722A
(en )
1949-03-31
Ultra-high frequency auto-oscillating electron tube of the reflection type.
CH267797A
(en )
1950-04-15
Electron discharge device with cavity resonator.
CH253108A
(en )
1948-02-15
Beam transformer with at least one vacuum tube in which electrons are accelerated.
CH260419A
(en )
1949-03-15
Cathode for an electron tube.
DK69945C
(en )
1949-09-26
Electron tubes with cavity anode, especially for ultra-high frequencies.
CH242444A
(en )
1946-05-15
Disc-shaped anode for X-ray tubes.
FR933439A
(en )
1948-04-20
Wear-free cold cathode electron ray tube
DK60944C
(en )
1943-05-24
Electron tubes, especially for ultra-high Frequency.
CH247335A
(en )
1947-02-28
Cathode ray tube.
DK64830C
(en )
1946-09-30
Disc-shaped Anode for X-ray tubes.
CH233972A
(en )
1944-08-31
Electron microscope.
CH227446A
(en )
1943-06-15
High performance electron tube.
FR907226A
(en )
1946-03-06
Cathode for electron tubes
DK71420C
(en )
1950-08-28
Vacuum-tight container, especially for electron tubes.
DK67734C
(en )
1948-10-04
Anode for X-ray tube with fused tungsten electron baffle.
FR896137A
(en )
1945-02-13
Incandescent cathode
ES7171Y
(en )
1944-03-01
Indirect heating cathode.
DK68232C
(en )
1948-12-27
Electron tubes for short waves.
FR900278A
(en )
1945-06-25
Getter support for electron tubes
CH241293A
(en )
1946-02-28
Electron tube.
CH234481A
(en )
1944-09-30
Coaxial high frequency line.
CH240681A
(en )
1946-01-15
Ion discharge tube.
DK74881C
(en )
1952-10-27
Electron tubes for ultra-high frequencies and of the triode type.
DK63352C
(en )
1945-04-09
Turning resistance for low current technical, especially high frequency technical, Purpose.