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Archivistische beschrijving

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APERFEIÇOAMENTOS EM SYSTEMAS TELEPHONICOS AUTOMATICOS

0.1 - Acervo Histórico de patentes do INPI-21463
Stuk
03/10/1923

Part of Acervo Histórico de patentes do INPI

APERFEIÇOAMENTOS EM SISTEMAS TELEFÔNICOS AUTOMÁTICOS

INTERNATIONAL WESTERN ELECTRIC COMPANY, INCORPORATED

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