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APERFEIÇOAMENTOS EM APPARELHOS PARA PRODUZIR OSCILAÇÕES ELECTRICAS ADAPTADOS PARA COMMUTAÇÃO SEM FIO E OUTROS FINS

0.1 - Acervo Histórico de patentes do INPI-11310
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13/06/1913

Part of Acervo Histórico de patentes do INPI

APERFEIÇOAMENTOS EM APARELHOS PARA PRODUZIR OSCILAÇÕES ELÉTRICAS ADAPTADOS PARA COMUTAÇÃO SEM FIO E OUTROS FINS

WILLIAM DUBILIER

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