DK140772B
(en )
1979-11-12
Elongated high-pressure mercury vapor discharge lamp.
DK79958C
(en )
1955-10-10
Electric lamp with a high-pressure mercury vapor discharge tube in a luminescent container.
CH403980A
(en )
1965-12-15
Low-pressure mercury vapor fluorescent discharge lamp
FR1141719A
(en )
1957-09-06
Low pressure electric discharge tubes, in particular luminescent lamps
DK57900C
(en )
1940-08-19
Electric Lamp with a Gaseous Discharge Tube.
AT182783B
(en )
1955-08-10
Electric lamp or discharge tube
AT178969B
(en )
1954-07-10
Electric lamp with gas discharge tube
DK78725C
(en )
1955-01-10
Coupling with a self-induction coil in series with an arc discharge tube.
AU106321B2
(en )
1939-01-19
Improvements in high -pressure mercury vapour electric discharge lamps
AU156052B2
(en )
1951-10-11
Improvements in fluorescent tube lamps
AT171106B
(en )
1952-04-25
Electric lamp with a glow discharge cathode
AT183478B
(en )
1955-10-10
Electric lamp with discharge tubes
CH227700A
(en )
1943-06-30
Electric high pressure gas discharge lamp with quartz vessel.
AT171999B
(en )
1952-07-25
Electric gas discharge lamp with built-in filament lamp
AU2238A
(en )
1939-01-19
Improvements in high -pressure mercury vapour electric discharge lamps
AU116121B2
(en )
1942-11-19
Improvements in or relating to devices comprising an electric gaseous discharge tube
AU126161B2
(en )
1947-12-18
Improvements in electric high-pressure gaseous discharge lamps
AU216099B2
(en )
1957-01-17
Improvements in incandescent electric lamps or electric discharge tubes
IE20958L
(en )
1954-03-05
Luminescent discharge lamps
AU3742150A
(en )
1951-10-11
Improvements in fluorescent tube lamps
CA494981A
(en )
1953-08-04
Luminous discharge tubes
AT173508B
(en )
1952-12-27
Electric low pressure gas discharge lamp with glow discharge cathode
DK56255C
(en )
1939-06-06
Electric Lamp with a High Pressure Metal Vapor Discharge Tube.
AT178673B
(en )
1954-06-10
Electric discharge tube with gas and / or vapor filling
AU162142B2
(en )
1953-07-23
Improvements in or relating to electric incandescent lamps or discharge tubes