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DE Patent: DE-159,045
Vorrichtung zum Heizen von Glüh Licht Dampflampevorrichtung zum Heizen von Glüh Licht Dampflampe
Apparatus for Heating of Incandescent Light Vapor Lamp
Patentee:
Johannes Spiel - Berlin, Germany

USPTO Classifications:

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 23, 1903

Patent Pictures:
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