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Publication of FR771899ApublicationCriticalpatent/FR771899A/fr
H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
H03J1/02—Indicating arrangements
H03J1/04—Indicating arrangements with optical indicating means
H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
FR771899D1934-04-161934-04-16Dispositif pour la commande conjuguée de l'arbre des condensateurs et de l'indicateur d'un récepteur de t. s. f.
ExpiredFR771899A
(fr)