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Publication of BE794512ApublicationCriticalpatent/BE794512A/fr
H01J17/00—Gas-filled discharge tubes with solid cathode
H01J17/50—Thermionic-cathode tubes
H01J17/58—Thermionic-cathode tubes with more than one cathode or anode
H01J17/60—Thermionic-cathode tubes with more than one cathode or anode the discharge paths priming each other in a predetermined sequence, e.g. counting tube
BE794512D1973-01-25Appareil a decharge le gaz
BE794512A
(fr)