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UM PROCESSO ECONOMICO PARA EXTRACÇÃO INDUSTRIAL DE MATERIAS GRAXAS, LIQUIDAS E SOLIDAS

0.1 - Acervo Histórico de patentes do INPI-21394
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12/09/1923

Part of Acervo Histórico de patentes do INPI

UM PROCESSO ECONÔMICO PARA EXTRAÇÃO INDUSTRIAL DE MATÉRIAS GRAXAS, LÍQUIDAS E SÓLIDAS

RAIMUNDO FELIPE DE SOUSA; JOSÉ PANTOJA LEITE

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