Item 17058 - UM COMPENSADOR ELECTRICO PARA DETERMINAR A DIRECÇÃO DE FONTES DISTANTES DE ENERGIA DE RADIO, ESPECIALMENTE FONTES SONORAS

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Reference code

0.1 - Acervo Histórico de patentes do INPI-17058

Title

UM COMPENSADOR ELECTRICO PARA DETERMINAR A DIRECÇÃO DE FONTES DISTANTES DE ENERGIA DE RADIO, ESPECIALMENTE FONTES SONORAS

Date(s)

  • 25/06/1920 (Creation)

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application/pdf

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Scope and content

UM COMPENSADOR ELÉTRICO PARA DETERMINAR A DIREÇÃO DE FONTES DISTANTES DE ENERGIA DE RÁDIO, ESPECIALMENTE FONTES SONORAS

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Domínio público

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  • pt-br

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191920017058

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