CH220849A
(en )
1942-04-30
Cathode ray tube.
CH208070A
(en )
1939-12-31
Grid-controlled discharge tube.
CH208860A
(en )
1940-02-29
Cathode ray tubes, in particular for television purposes.
CH202357A
(en )
1939-01-15
Electron tubes, especially for very high frequencies.
CH215769A
(en )
1941-07-15
Cathode for electron tubes.
CH208248A
(en )
1940-01-15
Discharge vessel, in particular for electron tubes.
CH204621A
(en )
1939-05-15
Discharge vessel.
CH208073A
(en )
1939-12-31
Execution of concentric conductors on vacuum vessels, in particular electron tubes.
CH212929A
(en )
1940-12-31
Device with discharge vessel, in particular electron tube.
AT152648B
(en )
1938-02-25
Hot cathode for discharge vessels.
CH202964A
(en )
1939-02-15
Beam generating system for Braun tubes, in particular for television purposes.
CH231847A
(en )
1944-04-15
Electron multiplier.
CH211199A
(en )
1940-08-31
Electron tubes, in particular cathode ray tubes.
CH205667A
(en )
1939-06-30
Discharge tube.
CH182823A
(en )
1936-02-29
Hot cathode for discharge vessels.
DK58152C
(en )
1940-11-11
Discharge tube for atomic transformation.
CH211724A
(en )
1940-10-15
Cathode ray tube.
DK60944C
(en )
1943-05-24
Electron tubes, especially for ultra-high Frequency.
CH206587A
(en )
1939-08-15
Air island, especially for air defense.
CH182851A
(en )
1936-02-29
Packaging, in particular for ices.
DK75399C
(en )
1953-02-09
Electron tubes for ultra-high frequency currents.
CH214059A
(en )
1941-03-31
Circuit arrangement for high-frequency tube stages.
DK59152C
(en )
1941-10-27
Discharge container, in particular electron tube, and associated socket.
DK59246C
(en )
1941-12-01
Electron multiplier tube.
ES146381A1
(en )
1941-01-01
An electron valve.