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.)
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Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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Filing date
Publication date
Application filed by Le Materiel Telephonique Thomson CSFfiledCriticalLe Materiel Telephonique Thomson CSF
Application grantedgrantedCritical
Publication of FR684334ApublicationCriticalpatent/FR684334A/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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Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR684334D1928-11-161929-11-04Perfectionnements aux dispositifs à décharge électronique
ExpiredFR684334A
(fr)