|
DK5113C
(en)
|
|
Gas incandescent lamp.
|
|
DK4935C
(en)
|
|
Gas incandescent lamp.
|
|
DK4814C
(en)
|
|
Gas incandescent burner.
|
|
DK5151C
(en)
|
|
Gas incandescent burner.
|
|
DK5446C
(en)
|
|
Gas incandescent lamp.
|
|
DK5244C
(en)
|
|
Gas incandescent lamp with several burners.
|
|
DK7069C
(en)
|
|
Gas incandescent lamp.
|
|
CH26537A
(en)
|
|
Gas incandescent burner
|
|
CH27594A
(en)
|
|
Downward-burning gas incandescent lamp
|
|
DK5205C
(en)
|
|
Self-amplifying Lamp for Gas Incandescent Light.
|
|
DK4843C
(en)
|
|
Holder for Incandescent lamps.
|
|
DK6108C
(en)
|
|
Burning down Gas incandescent lamp.
|
|
CH30937A
(en)
|
|
Gas incandescent lamp
|
|
DK5950C
(en)
|
|
Bulb lamp.
|
|
ES32084A1
(en)
|
|
Gas lamp improvements.
|
|
DK5663C
(en)
|
|
Base for Incandescent lamps.
|
|
DK7819C
(en)
|
|
Gas incandescent light bulb.
|
|
GB190221861A
(en)
|
|
An Improvement in Mantles for Incandescent Gas Lighting.
|
|
GB190218333A
(en)
|
|
Improvements relating to Lanterns for Public Incandescent Gas Lighting.
|
|
DK8708C
(en)
|
|
Gas incandescent lamp.
|
|
CH26855A
(en)
|
|
Incandescent lamp
|
|
ES30488A1
(en)
|
|
Improvements to oil-fired incandescent lamps.
|
|
ES30886A1
(en)
|
|
An improvement in the construction of incandescent lamps.
|
|
CH31974A
(en)
|
|
Gas incandescent burner
|
|
ES32759A1
(en)
|
|
Improvements introduced in incandescent lamps for gas.
|