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UM NOVO APPARELHO PARA A ILLUMINAÇÃO SEMI-INDIRECTA DE APOSENTOS

0.1 - Acervo Histórico de patentes do INPI-12182
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01/06/1914

Part of Acervo Histórico de patentes do INPI

UM NOVO APARELHO PARA A ILUMINAÇÃO SEMI-INDIRETA DE APOSENTOS

EDWIN F.GUTH

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