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UM PROCESSO PARA RETIRAR OS GAZES DELETERIOS DAS LAMPADAS ELECTRICAS DE INCANDESCENCIA

0.1 - Acervo Histórico de patentes do INPI-18095
Item
04/02/1921

Part of Acervo Histórico de patentes do INPI

UM PROCESSO PARA RETIRAR OS GASES DELETÉRIOS DAS LÂMPADAS ELÉTRICAS DE INCANDESCÊNCIA

NAAMLOOZE VENNOOTSCHAP PHILLIPS GLOEILAMPENFABRIEKEN

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