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Publication of FR55538EpublicationCriticalpatent/FR55538E/fr
H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
H01J9/30—Manufacture of bases
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FR55538D1941-11-081941-11-08Procédé de moulage de culots d'ampoules électriques
ExpiredFR55538E
(fr)