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APERFEIÇOAMENTOS EM LAMPADAS ELECTRICAS DE DESCARGA LUMINOSA

0.1 - Acervo Histórico de patentes do INPI-18107
Item
10/02/1921

Part of Acervo Histórico de patentes do INPI

APERFEIÇOAMENTOS EM LÂMPADAS ELÉTRICAS DE DESCARGA LUMINOSA

NAAMLOOZE VENNOOTSCHAP PHILLIPS GLOEILAMPENFABRIEKEN

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