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NAAMLOOZE VENNOOTSCHAP GLOEILA
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NAAMLOOZE VENNOOTSCHAP GLOEILA
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Application filed by NAAMLOOZE VENNOOTSCHAP GLOEILAfiledCriticalNAAMLOOZE VENNOOTSCHAP GLOEILA
Application grantedgrantedCritical
Publication of FR732327ApublicationCriticalpatent/FR732327A/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
H01J9/02—Manufacture of electrodes or electrode systems
H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
H01J9/042—Manufacture, activation of the emissive part
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Manufacturing & Machinery
(AREA)
FR732327D1931-02-021932-02-02Procédé pour la fabrication de cathodes incandescentes
ExpiredFR732327A
(fr)