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UM NOVO TUBO DE DESCARGA ELECTRICA

0.1 - Acervo Histórico de patentes do INPI-21109
Item
30/06/1923

Part of Acervo Histórico de patentes do INPI

UM NOVO TUBO DE DESCARGA ELÉTRICA

NAAMLOOZE VENNOOTSCHAP PHILLIPS GLOEILAMPENFABRIEKEN

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