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UM APPARELHO APERFEIÇOADO PARA PURIFICAR KAOLIN

0.1 - Acervo Histórico de patentes do INPI-12637
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18/01/1915

Part of Acervo Histórico de patentes do INPI

UM APARELHO APERFEIÇOADO PARA PURIFICAR CAULIM

MANOEL BARBOZA PEREIRA BORGES; ANTONIO F. NUNES

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