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UM PROCESSO DE TRATAMENTO DE RESIDUOS DE FORNALHAS EM QUE SE QUEIMA CARVÃO DE PEDRA, COM O FIM DE RECUPERAR, SEPARADAMENTE, O CARVÃO E O CONJUNCTO DOS OUTROS MATERIAES CONTIDOS NOS DITOS RESIDUOS

0.1 - Acervo Histórico de patentes do INPI-11865
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23/01/1914

Part of Acervo Histórico de patentes do INPI

UM PROCESSO DE TRATAMENTO DE RESÍDUOS DE FORNALHAS EM QUE SE QUEIMA CARVÃO DE PEDRA, COM O FIM DE RECUPERAR, SEPARADAMENTE, O CARVÃO E O CONJUNTO DOS OUTROS MATERIAIS CONTIDOS NOS DITOS RESÍDUOS

FRANCISCO RAMORI

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