DK59406C
(en )
1942-01-19
Method for the manufacture of vacuum containers, in particular electron tubes, with a ceramic closure body.
CH215769A
(en )
1941-07-15
Cathode for electron tubes.
CH209026A
(en )
1940-03-15
Vacuum vessel with holder for the same.
CH212929A
(en )
1940-12-31
Device with discharge vessel, in particular electron tube.
DK59485C
(en )
1942-02-16
Procedure for the manufacture of electron tubes, in particular double-sided fused metal tubes.
DK60875C
(en )
1943-05-03
Electron tubes whose vacuum-tight closure is made with a glassy melt.
DK61908C
(en )
1944-02-14
Discharge tubes, in particular electron tubes, with ceramic closure.
CA376318A
(en )
1938-09-06
Closure for tubes, bottles, etc.
DK60944C
(en )
1943-05-24
Electron tubes, especially for ultra-high Frequency.
DK59209C
(en )
1941-11-17
Method for the manufacture of electric discharge containers, preferably with a metal flask.
DK58289C
(en )
1940-12-30
Method for the manufacture of electric discharge containers, preferably with a metal flask.
ES146351A1
(en )
1941-01-01
Improvements in the method of configuring tubes.
DK60600C
(en )
1943-02-15
Method for Manufacturing Pressed Glass Feet for Electron Tubes or Similar Discharge Containers.
ES146192A1
(en )
1940-12-01
A process for the manufacture of cellulose containers, especially tubes and bottles, waterproof.
ES146381A1
(en )
1941-01-01
An electron valve.
DK75399C
(en )
1953-02-09
Electron tubes for ultra-high frequency currents.
DK59731C
(en )
1942-05-04
Procedure for Manufacturing Electron Beam Tubes.
DK59872C
(en )
1942-06-15
Electron tube with a Tube container enclosing Cooling container.
ES144630A1
(en )
1940-07-01
A process for the manufacture of sealing containers.
DK58152C
(en )
1940-11-11
Discharge tube for atomic transformation.
DK54618C
(en )
1938-04-19
Method for Manufacturing High Vacuum Tubes.
DK69945C
(en )
1949-09-26
Electron tubes with cavity anode, especially for ultra-high frequencies.
DK49565C
(en )
1934-11-26
Electron Discharge Tube with Oxide Cathode.
DK58684C
(en )
1941-05-19
High Frequency Electron Tubes in which the Vacuum Container consists wholly or partly of ferromagnetic material.
FR850442A
(en )
1939-12-16
Vacuum vessel, in particular electron tube