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RADIOTECNICA
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RADIOTECNICA
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Application filed by RADIOTECNICAfiledCriticalRADIOTECNICA
Application grantedgrantedCritical
Publication of FR671883ApublicationCriticalpatent/FR671883A/fr
H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
H01J35/06—Cathodes
H01J35/064—Details of the emitter, e.g. material or structure
FR671883D1928-04-141929-03-22Perfectionnements apportés aux tubes à rayons chi pour réduire les dimensions de l'origine des rayons chi
ExpiredFR671883A
(fr)