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APERFEIÇOAMENTOS EM ALTOS FORNOS ELECTRICOS

0.1 - Acervo Histórico de patentes do INPI-16201
Item
18/10/1919

Part of Acervo Histórico de patentes do INPI

APERFEIÇOAMENTOS EM ALTOS FORNOS ELÉTRICOS

INDUSTRIAL ELECTRIC FURNACE COMPANY

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