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Societe Francaise Radio Electrique
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Societe Francaise Radio Electrique
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Publication date
Application filed by Societe Francaise Radio ElectriquefiledCriticalSociete Francaise Radio Electrique
Application grantedgrantedCritical
Publication of FR1018722ApublicationCriticalpatent/FR1018722A/en
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
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Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR1018722D1950-05-231950-05-23
Discharge lamp filament shaping process
ExpiredFR1018722A
(en)