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APERFEIÇOAMENTO EM TUBOS FLEXIVEIS REFORÇADOS

0.1 - Acervo Histórico de patentes do INPI-19175
Item
26/12/1921

Part of Acervo Histórico de patentes do INPI

APERFEIÇOAMENTO EM TUBOS FLEXÍVEIS REFORÇADOS

GEORGE MITCHELL

UM DISPOSITIVO APERFEIÇOADO PARA MANOBRA DE FREIOS DE VACUO AUTOMATICOS

0.1 - Acervo Histórico de patentes do INPI-6578
Item
23/01/1911

Part of Acervo Histórico de patentes do INPI

UM DISPOSITIVO APERFEIÇOADO PARA MANOBRA DE FREIOS DE VÁCUO AUTOMÁTICOS

GEORGE MITCHELL

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