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Publication of FR634315ApublicationCriticalpatent/FR634315A/fr
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/06—Receivers
H04B1/16—Circuits
H04B1/26—Circuits for superheterodyne receivers
FR634315D1927-05-121927-05-12Perfectionnements aux appareils récepteurs de t. s. f.
ExpiredFR634315A
(fr)