CH249243A
(en )
1947-06-15
Gas or vapor-filled electric discharge tube.
DK67601C
(en )
1948-09-13
Electric discharge tube with a fluorescent substance and method of manufacturing the fluorescent substance.
FR906875A
(en )
1946-02-22
Discharge tube
FR904307A
(en )
1945-11-02
Electric discharge tube
CH248942A
(en )
1947-05-31
Mercury contact tube.
CH241775A
(en )
1946-03-31
Electric discharge tube.
DK66910C
(en )
1948-05-31
Method for Manufacturing an Electric Discharge Tube with a Non-Electron-Emitting Electrode.
DK70266C
(en )
1949-11-28
Electric discharge tube with fluorescent material and a method for producing fluorescent material for use in such a tube.
FR915556A
(en )
1946-11-12
Electric discharge tube
DK72296C
(en )
1951-03-19
Method for manufacturing an electric discharge lamp.
DK66770C
(en )
1948-05-10
Electric Discharge Tube with a Fluorescent Screen and Method for Making a Fluorescent Material for Use in the Screen.
FR904112A
(en )
1945-10-26
Electronic mirror discharge tube
DK65522C
(en )
1947-08-18
Electrical Discharge Tube and Method for Manufacturing a Centering Plate for the Electrode System.
DK71337C
(en )
1950-08-07
Electric radiation source with a luminescent material and method of manufacturing the material.
DK65631C
(en )
1947-09-15
Method of Manufacturing Electric Discharge Devices.
DK72568C
(en )
1951-05-28
Electric discharge tube with an electron mirror.
FR906849A
(en )
1946-02-21
Discharge tube
FR903633A
(en )
1945-10-10
Discharge tube
FR901953A
(en )
1945-08-14
Discharge tube
FR901858A
(en )
1945-08-08
Discharge tube
CH248328A
(en )
1947-04-30
Mercury contact tube.
CH247336A
(en )
1947-02-28
Discharge tube.
FR983967A
(en )
1951-06-29
Improvements in the construction of electronic tubes of the klystron type
FR906868A
(en )
1946-02-22
Ion discharge tube
FR901523A
(en )
1945-07-30
Ion discharge tube