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Publication of CH219790ApublicationCriticalpatent/CH219790A/en
H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
H01J25/32—Tubes with plural reflection, e.g. Coeterier tube
CH219790D1940-08-061941-08-04
Brake field tube for generating ultra-short waves.
CH219790A
(en)