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APERFEIÇOAMENTO EM LAMPADAS ELECTRICAS DE ARCO PARA PROJECÇOES LUMINOSAS

0.1 - Acervo Histórico de patentes do INPI-13008
Item
30/08/1915

Part of Acervo Histórico de patentes do INPI

APERFEIÇOAMENTO EM LÂMPADAS ELÉTRICAS DE ARCO PARA PROJEÇÕES LUMINOSAS

ARMANDO ZANOTTA

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