US5629586A
(en )
1997-05-13
Compact fluorescent lamp unit having first and second sealed end portions separated by a support member
US2301671A
(en )
1942-11-10
Auxiliary equipment for luminescent tubes
GB2033679A
(en )
1980-05-21
Mixed light circuit -arrangement
BE346606A
(sr )
US4322783A
(en )
1982-03-30
Lamp with improved mount
EP0175686A1
(en )
1986-04-02
Energy efficient incandescent lamp with improved filament characteristics
US2507101A
(en )
1950-05-09
Fluorescent lamp circuit
US1658568A
(en )
1928-02-07
Method and apparatus for maintaining gaseous conduction discharges
US4983888A
(en )
1991-01-08
Fluorescent lamp device
EP0048655A1
(fr )
1982-03-31
Dispositif d'alimentation d'un voyant lumineux de contrôle de courant
US1903496A
(en )
1933-04-11
Lighting system
EP0152264A2
(en )
1985-08-21
Fluorescent lamp device
US2028548A
(en )
1936-01-21
Low voltage gas arc lamp
US1539672A
(en )
1925-05-26
Electric-light installation for alternating current
US5616984A
(en )
1997-04-01
High wattage lamp ferrule and socket system
US2946903A
(en )
1960-07-26
Variable voltage transformer device
SU1363542A1
(ru )
1987-12-30
Осветительное устройство
US1529344A
(en )
1925-03-10
X-ray apparatus
US1033275A
(en )
1912-07-23
Connection for running incandescent lamps and arc-lamps in common.
BE340881A
(sr )
JPH029440Y2
(sr )
1990-03-08
RU7269U1
(ru )
1998-07-16
Лампа накаливания
Maxted et al.
1945
Circuits for discharge lamps
BE488543A
(sr )
US543729A
(en )
1895-07-30
Electric-arc lamp