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UM NOVO PROCESSO DE TRATAMENTO DE BORRACHAS IMPURAS, INFERIORES OU MAL PREPARADAS, COM O FIM DE TRANSFORMA-LAS EM BORRACHA LIMPA, SUPERIOR OU FINA

0.1 - Acervo Histórico de patentes do INPI-6428
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24/09/1910

Part of Acervo Histórico de patentes do INPI

UM NOVO PROCESSO DE TRATAMENTO DE BORRACHAS IMPURAS, INFERIORES OU MAL PREPARADAS, COM O FIM DE TRANSFORMÁ-LAS EM BORRACHA LIMPA, SUPERIOR OU FINA

JOSÉ SIMÃO DA COSTA

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