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Esq eletr transm ondas color. Pt Esquema Eltrico do Transmissor de Ondas Wave Transmitter Patente obtida em no Departamento de Patentes dos Estados Unidos Pe Roberto Landell de Moura Esquema Eltrico do Transmissor de Ondas Pe Roberto Landell de Moura Dominio Pblico No outras verses PDold Telecommunications Roberto Landell