FR1073994A
(en )
1954-09-30
Cathode body and discharge tube provided with such a body
FR1156118A
(en )
1958-05-13
Low pressure mercury vapor discharge lamp
BE612631A
(en )
1962-05-02
Electrode sealing for high pressure discharge lamps
FR1262280A
(en )
1961-05-26
electrodes for discharge and high pressure lamps
FR1201219A
(en )
1959-12-29
High pressure discharge tube
BE574386A
(en )
1959-06-30
High pressure mercury vapor discharge tube equipped with luminescent screen
BE585322A
(en )
1960-04-01
Low pressure mercury vapor discharge lamp.
BE589992A
(en )
1960-10-24
Improvements to cold cathode discharge tubes.
FR1195660A
(en )
1959-11-18
Low pressure mercury vapor discharge tube
FR1199913A
(en )
1959-12-17
Sodium vapor discharge tube in the shape of a u
FR1203743A
(en )
1960-01-20
Image Screen Discharge Tube
FR1213203A
(en )
1960-03-29
High pressure mercury vapor discharge tube equipped with a luminescent screen, luminescent substance therefor, and method of preparation thereof
FR1141789A
(en )
1957-09-09
Low pressure arc discharge tube
FR74254E
(en )
1960-11-07
Low pressure mercury vapor discharge tube
FR1244449A
(en )
1960-10-28
Improvement in so-called "barrel" high pressure pumps
BE589228A
(en )
1960-08-30
Thermionic cathode discharge tube.
FR1272750A
(en )
1961-09-29
Cold cathode gas discharge indicator tube
FR1518489A
(en )
1968-03-22
High pressure mercury vapor discharge tube
BE585558A
(en )
1960-06-13
Improvements to cold cathode discharge tubes.
DK97049C
(en )
1963-10-07
Electron discharge tube with fluorescent screen.
FR1228141A
(en )
1960-08-26
Cold Cathode Gas Discharge Tube
FR1295280A
(en )
1962-06-01
Electron discharge tube
FR1071740A
(en )
1954-09-03
Device equipped with a low pressure mercury discharge tube
FR1528763A
(en )
1968-06-14
High Pressure Sodium Vapor Lamp Improvements Containing Mercury
FR1179655A
(en )
1959-05-27
Luminescent screen cathode ray tube