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UM PROCESSO PARA DIRIGIR CORRENTES ELECTRICAS POR MEIO DE FORÇAS SONANTES

0.1 - Acervo Histórico de patentes do INPI-18277
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23/03/1921

Part of Acervo Histórico de patentes do INPI

UM PROCESSO PARA DIRIGIR CORRENTES ELÉTRICAS POR MEIO DE FORÇAS SONANTES

HANS VOGT; JOSEPH ENGL. ; JOSEPH MASSOLLE

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