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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
FR917552D1945-11-201945-11-20Tube électronique oscillateur ou amplificateur, de grande puissance, pour ondes ultra-cour?es
ExpiredFR917552A
(fr)