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DK5949C
(en)
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Arc lamp whose electrodes form an acute angle.
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ES32084A1
(en)
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Gas lamp improvements.
|
|
ES31246A3
(en)
|
|
An improved lamp.
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|
AT22181B
(en)
|
|
Arc lamp charcoal.
|
|
DK5950C
(en)
|
|
Bulb lamp.
|
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CH27743A
(en)
|
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Arc lamp
|
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CH28284A
(en)
|
|
Endurance arc lamp
|
|
AT23210B
(en)
|
|
Arc lamp.
|
|
AT23514B
(en)
|
|
Arc lamp.
|
|
AT27642B
(en)
|
|
Invert lamp.
|
|
DK5654C
(en)
|
|
Lamp wick.
|
|
AT23585B
(en)
|
|
Control device for AC arc lamps.
|
|
DK5446C
(en)
|
|
Gas incandescent lamp.
|
|
ES33766A1
(en)
|
|
An arc lamp.
|
|
DK5765C
(en)
|
|
Burner for Lamps.
|
|
DK4562C
(en)
|
|
Electric Arc Lamp.
|
|
ES41323A1
(en)
|
|
Arc lamp improvements.
|
|
DK6006C
(en)
|
|
Device for Adjusting Arc Lamps.
|
|
ES35474A1
(en)
|
|
An arc lamp.
|
|
ES36870A1
(en)
|
|
An arc lamp.
|
|
DK6100C
(en)
|
|
Petroleum incandescent burner.
|
|
CH31668A
(en)
|
|
Arc lamp electrode
|
|
ES32862A1
(en)
|
|
You improve the electric arc lamps.
|
|
ES31388A1
(en)
|
|
An arc lamp system.
|
|
ES32861A1
(en)
|
|
Improvements in electric arc lamps.
|