FR1065473A
(en )
1954-05-26
Electron discharge device
CH283814A
(en )
1952-06-30
Device for coupling a loudspeaker to the atmosphere.
BE478471A
(en )
1948-01-31
Thermomagnetic coupling device for igniting electric discharge tubes, in particular low-voltage luminescent tubes
FR936574A
(en )
1948-07-23
Instant ignition device for discharge lamps
FR997513A
(en )
1952-01-07
Lighting device for fluorescent tubes
CH272446A
(en )
1950-12-15
Coupling device.
FR1061306A
(en )
1954-04-12
Impedance transformer
FR980506A
(en )
1951-05-15
Improvement in the ignition device of low-voltage luminescent tubes
FR982749A
(en )
1951-06-14
Device for adjusting the light intensity of electric discharge tubes
FR1049682A
(en )
1953-12-31
Coupling sleeve
FR1038433A
(en )
1953-09-28
Power supply device for three-phase luminescent or fluorescent tubes
FR912266A
(en )
1946-08-05
Safety device for high-voltage transformers, in particular for transformers used to supply luminescent tubes
FR922849A
(en )
1947-06-19
Automatic coupling device
BE509563A
(en )
1953-08-28
SPARK PLUG, SURFACE DISCHARGE, FOR LOW VOLTAGE, AND CONDENSER DISCHARGE.
FR949533A
(en )
1949-09-01
Mooring device
FR941803A
(en )
1949-01-21
Improvement in excitation transformers for supplying luminescent tubes
FR930549A
(en )
1948-01-28
Ignition device for electric discharge tubes
FR1035686A
(en )
1953-08-27
Water separator for compressed air lines
AU150289B2
(en )
1948-10-14
Toll circuits
CH264044A
(en )
1949-09-30
Multi-jaw chuck.
FR915122A
(en )
1946-10-28
Ignition device for luminescent tubes
FR63060E
(en )
1955-07-15
Power supply device for three-phase luminescent or fluorescent tubes
FR1002487A
(en )
1952-03-06
New coupling device for trailers
CA444703A
(en )
1947-10-28
Clip for price tickets
FR891843A
(en )
1944-03-21
Device for priming low-voltage discharge tubes