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UM INSTRUMENTO DENOMINADO QUADRANTE TRIGONOMETRICO DESTINADO A RESOLUÇÃO GRAPHICA DOS TRIANGULOS RECTANGULOS

0.1 - Acervo Histórico de patentes do INPI-15930
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11/08/1919

Part of Acervo Histórico de patentes do INPI

UM INSTRUMENTO DENOMINADO QUADRANTE TRIGONOMÉTRICO DESTINADO À RESOLUÇÃO GRÁFICA DOS TRIÂNGULOS RETÂNGULOS

EMILIO VICTOR DE LIMA

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