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UM APPARELHO DENOMINADO AURORA DESTINADO A REDUZIR OU AUGMENTAR GRADATIVAMENTE O BRILHO DE LAMPADAS ELECTRICAS AUTOMATICAMENTE POR MEIO DE UM CONJUNCTO MOVIDO A MOTOR ELECTRICO

0.1 - Acervo Histórico de patentes do INPI-21284
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18/08/1923

Part of Acervo Histórico de patentes do INPI

UM APARELHO DENOMINADO AURORA DESTINADO A REDUZIR OU AUMENTAR GRADATIVAMENTE O BRILHO DE LÂMPADAS ELÉTRICAS AUTOMATICAMENTE POR MEIO DE UM CONJUNTO MOVIDO A MOTOR ELÉTRICO

VICTORIANO AUGUSTO BORGES; MANOEL FERNANDES DE SOUZA

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