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MANYAFOV VALERY
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MANYAFOV VALERY
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Priority to FR7228289ApriorityCriticalpatent/FR2195058B1/fr
Publication of FR2195058A1publicationCriticalpatent/FR2195058A1/fr
Application grantedgrantedCritical
Publication of FR2195058B1publicationCriticalpatent/FR2195058B1/fr
H01J21/06—Tubes with a single discharge path having electrostatic control means only
H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
