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NOVO PROCESSO DE FABRICAÇÃO DE CERAMICA REFRACTARIA E DO ESMALTE DO FERRO OU AÇO PELO EMPREGO DO MINERIO DE ZIRCONIO

0.1 - Acervo Histórico de patentes do INPI-16547
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28/01/1920

Part of Acervo Histórico de patentes do INPI

NOVO PROCESSO DE FABRICAÇÃO DE CERÂMICA REFRATÁRIA E DO ESMALTE DO FERRO OU AÇO PELO EMPREGO DO MINÉRIO DE ZIRCÔNIO

LUIZ M. PINTO DE QUEIROZ

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