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H03C1/08—Amplitude modulation by means of variable impedance element
H03C1/10—Amplitude modulation by means of variable impedance element the element being a current-dependent inductor
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FR577339D1923-04-101923-04-10Perfectionnements dans les bobines de réactance à circuit ferromagnétique utilisées en télégraphie et téléphonie sans fil
ExpiredFR577339A
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