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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NAAMLOOZE VENNOOTSCHAP GLOEILA
Original Assignee
NAAMLOOZE VENNOOTSCHAP GLOEILA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NAAMLOOZE VENNOOTSCHAP GLOEILAfiledCriticalNAAMLOOZE VENNOOTSCHAP GLOEILA
Application grantedgrantedCritical
Publication of FR730855ApublicationCriticalpatent/FR730855A/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
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR730855D1931-02-021932-02-02Nouveau procédé pour la fabrication de cathodes incandescentes
ExpiredFR730855A
(fr)