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International Standard Electric Corp
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International Standard Electric Corp
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Application grantedgrantedCritical
Publication of FR973361ApublicationCriticalpatent/FR973361A/en
H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
FR973361D1947-10-211948-10-08
High frequency electronic processes and devices such as high frequency electronic traveling wave devices
ExpiredFR973361A
(en)