|
DK11400C
(en)
|
|
Procedure for Making Incandescent Light with Dowson or Generator Gas.
|
|
DK11065C
(en)
|
|
Procedure for Manufacturing Lighting Gas.
|
|
DK10422C
(en)
|
|
Downward-facing Gas Bulb.
|
|
DK11489C
(en)
|
|
Gas lamp with downward-facing burner.
|
|
DK11302C
(en)
|
|
Procedure for the Manufacture of Artificial Silk Gas Glow Plugs.
|
|
DK11231C
(en)
|
|
Procedure for the manufacture of filament light for electric filament lamps.
|
|
DK11540C
(en)
|
|
Gas incandescent lamp with downward-facing burner.
|
|
DK8440C
(en)
|
|
Gas incandescent burner.
|
|
DK12785C
(en)
|
|
Procedure for the manufacture of artificial fuels.
|
|
DK10733C
(en)
|
|
Procedure for Making Wires for Incandescent Lamps.
|
|
DK10550C
(en)
|
|
Procedure for the manufacture of electric filament.
|
|
CH36454A
(en)
|
|
Gas incandescent burner
|
|
CH36215A
(en)
|
|
Gas incandescent burner
|
|
CH35997A
(en)
|
|
Gas incandescent burner
|
|
DK10205C
(en)
|
|
Procedure for Manufacturing Lighting Gas.
|
|
DK12716C
(en)
|
|
Procedure for the manufacture of lighters.
|
|
DK8708C
(en)
|
|
Gas incandescent lamp.
|
|
DK9137C
(en)
|
|
Burning down Gas incandescent lamp.
|
|
ES46728A1
(en)
|
|
Improvements in gas lighters.
|
|
DK7077C
(en)
|
|
Procedure for Manufacturing Lighting Gas.
|
|
ES36798A1
(en)
|
|
Improvements in incandescent lighters.
|
|
DK10539C
(en)
|
|
Procedure for the manufacture of solid fuels.
|
|
ES46992A1
(en)
|
|
Incandescent gas burner improvements.
|
|
ES43235A1
(en)
|
|
Improvements to inverted incandescent lighters.
|
|
CH52833A
(en)
|
|
Gas incandescent burner
|