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APERFEIÇOAMENTOS NO PROCESSO DE PRODUCÇÃO DA CERUZA OU CHUMBO BRANCO

0.1 - Acervo Histórico de patentes do INPI-21565
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27/10/1923

Part of Acervo Histórico de patentes do INPI

APERFEIÇOAMENTOS NO PROCESSO DE PRODUÇÃO DA CERUZA OU CHUMBO BRANCO

GEORGE FREEMAN LLOYD; FRANK BOARDMAN CLAPP; FREDERICK HARPER

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