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APERFEIÇOAMENTOS EM LAMPADA DE DESCARGA ELECTRICA

0.1 - Acervo Histórico de patentes do INPI-18093
Item
04/02/1921

Part of Acervo Histórico de patentes do INPI

APERFEIÇOAMENTOS EM LÂMPADA DE DESCARGA ELÉTRICA

NAAMLOOZE VENNOOTSCHAP PHILLIPS GLOEILAMPENFABRIEKEN

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