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Publication of FR692017ApublicationCriticalpatent/FR692017A/en
H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
H03H9/02—Details
H03H9/125—Driving means, e.g. electrodes, coils
H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape
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FR692017D1930-03-151930-03-15 Device for exciting piezoelectric oscillations in crystalsExpiredFR692017A (en)