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UM PROCESSO E APPARELHO PARA DAR FORMA A FILAMENTOS PARA LAMPADAS ELECTRICAS DE INCANDESCENCIA

0.1 - Acervo Histórico de patentes do INPI-12550
Item
23/11/1914

Part of Acervo Histórico de patentes do INPI

UM PROCESSO E APARELHO PARA DAR FORMA A FILAMENTOS PARA LÂMPADAS ELÉTRICAS DE INCANDESCÊNCIA

GENERAL ELECTRIC COMPANY

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