CH389772A
(en )
1965-03-31
Transistor connection device for gas discharge lamps, in particular fluorescent lamps
CH325999A
(en )
1957-11-30
Hot cathode for electron tubes
CH341906A
(en )
1959-10-31
Low pressure discharge tube
AT191024B
(en )
1957-07-25
Sockets for gas discharge tubes, in particular for fluorescent tubes
AT198372B
(en )
1958-06-25
Socket for tube lamps
AT183479B
(en )
1955-10-10
Electrode for discharge tubes
AT188397B
(en )
1957-01-10
Luminaire for gas discharge tubes
AT198834B
(en )
1958-07-25
Socket fitting for fluorescent tubes
AT176912B
(en )
1953-12-10
Ballast for gas discharge tubes, in particular fluorescent tubes
FR1161885A
(en )
1958-09-05
Gas discharge tubes
AT190162B
(en )
1957-06-11
Electrode socket for gas discharge tubes
CH404811A
(en )
1965-12-31
Cathode for gas discharge tubes
AT246283B
(en )
1966-04-12
Luminaire, especially for high pressure mercury vapor lamps
FR1141719A
(en )
1957-09-06
Low pressure electric discharge tubes, in particular luminescent lamps
CH347264A
(en )
1960-06-30
Socket for tube lamps
AT193491B
(en )
1957-11-25
Circuit arrangement for low-voltage fluorescent tubes
AT187184B
(en )
1956-10-25
Anode for high-power lamps
AT199753B
(en )
1958-09-25
Socket for fluorescent tubes
DK83639C
(en )
1957-10-14
Ignition device for discharge tubes, in particular fluorescent tubes.
AT195524B
(en )
1958-02-10
Ballast for fluorescent tubes
AT186734B
(en )
1956-09-10
Ignition and operating circuit for fluorescent tubes
AT196504B
(en )
1958-03-25
Discharge lamp
AT199750B
(en )
1958-09-25
Discharge lamp
AT194003B
(en )
1957-12-27
Electrode for gas discharge tubes
AT189713B
(en )
1957-04-25
Low pressure discharge lamp