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UM PROCESSO PARA OBTER A MINERALIZAÇÃO ARTIFICIAL DE FIBRAS DE TODAS AS QUALIDADES, PARA TORNAL-AS Á PROVA DAGUA E DO FOGO

0.1 - Acervo Histórico de patentes do INPI-18002
Item
07/01/1921

Part of Acervo Histórico de patentes do INPI

UM PROCESSO PARA OBTER A MINERALIZAÇÃO ARTIFICIAL DE FIBRAS DE TODAS AS QUALIDADES, PARA TORNÁ-LAS À PROVA DÁGUA E DO FOGO

ALEXANDER NOVOSSELSKY

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