FR644447A - Procédé pour munir des lampes à incandescence ou des appareils électriques analogues d'une matière absorbante dite <getter>
- Google Patents
Procédé pour munir des lampes à incandescence ou des appareils électriques analogues d'une matière absorbante dite <getter>
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Koninklijke Philips NV
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Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
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Publication of FR644447ApublicationCriticalpatent/FR644447A/fr
H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
H01K3/22—Exhausting, degassing, filling, or cleaning vessels
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
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Ropes Or Cables
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Resistance Heating
(AREA)
Chemical Or Physical Treatment Of Fibers
(AREA)
FR644447D1927-01-141927-11-24Procédé pour munir des lampes à incandescence ou des appareils électriques analogues d'une matière absorbante dite <getter>
ExpiredFR644447A
(fr)