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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Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SAfiledCriticalCompagnie Francaise Thomson Houston SA
Application grantedgrantedCritical
Publication of FR475623ApublicationCriticalpatent/FR475623A/fr
H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
H01K3/02—Manufacture of incandescent bodies
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Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR475623D1913-07-261914-07-24Procédé d'égalisation des corps lumineux au tungstène ou autre métal analogue et en particulier en métal ductile
ExpiredFR475623A
(fr)
Perfectionnements apportés, notamment en ce qui concerne les opérations à exécuter pour les préparer, aux métaux ainsi qu'aux alliages, tels, notamment aussi, que l'acier et les alliages à base d'acier
Nouvel alliage et son application à la réduction des oxydes métalliques, ainsi qu'à l'affinage des bains d'acier ou autres bains métalliques