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UM NOVO TYPO DE ALMAS PARA CALÇADOS, DENOMINADO - ETERNAS-

0.1 - Acervo Histórico de patentes do INPI-18977
Item
25/10/1921

Part of Acervo Histórico de patentes do INPI

UM NOVO TIPO DE ALMAS PARA CALÇADOS, DENOMINADO - ETERNAS-

EDWIN EDSER; HENRY LIVINGSTONE SULMAN; FRANK BUTLER JONES

APERFEIÇOAMENTOS RELATIVOS AO TRATAMENTO DE MATERIAES QUE CONTEM CARVÃO MINERAL

0.1 - Acervo Histórico de patentes do INPI-17787
Item
12/02/1920

Part of Acervo Histórico de patentes do INPI

APERFEIÇOAMENTOS RELATIVOS AO TRATAMENTO DE MATERIAIS QUE CONTÊM CARVÃO MINERAL

MINERALS SEPARATION LIMITED

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