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Publication of FR589177ApublicationCriticalpatent/FR589177A/fr
H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
H03J1/14—Special arrangements for fine and coarse tuning
FR589177D1924-11-191924-11-19Perfectionnements apportés aux dispositifs de réglage des instruments employés dans la télégraphie sans fil
ExpiredFR589177A
(fr)