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ECOR ETS
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ECOR ETS
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Publication of FR845082ApublicationCriticalpatent/FR845082A/fr
H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
FR845082D1938-04-211938-04-21Système de réglage pour postes récepteurs radioélectriques
ExpiredFR845082A
(fr)