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Osa Participations Industrielles SA
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Osa Participations Industrielles SA
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Application filed by Osa Participations Industrielles SAfiledCriticalOsa Participations Industrielles SA
Application grantedgrantedCritical
Publication of FR628666ApublicationCriticalpatent/FR628666A/fr
H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
H01J5/58—Means for fastening the separate part to the vessel, e.g. by cement
FR628666D1926-04-221927-02-07Moyens de fixation du culot dans les lampes électriques à incandescence et les vases de verre fermés analogues
ExpiredFR628666A
(fr)
Perfectionnement apporté aux ampoules en verre de lampes électriques à incandescence destinées à servir de source lumineuse extra focale dans des réflecteurs