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UMA VALVULA DE PASSAGEM DE DUAS VIAS PARA CANALISAÇÃO DE FLUIDO SOB PRESSAO ADAPTADA A FECHAR AUTOMATICA E INSTANTANEAMENTE UMA DAS VIAS OU A OUTRA

0.1 - Acervo Histórico de patentes do INPI-13218
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11/12/1915

Part of Acervo Histórico de patentes do INPI

UMA VÁLVULA DE PASSAGEM DE DUAS VIAS PARA CANALIZAÇÃO DE FLUIDO SOB PRESSÃO ADAPTADA A FECHAR AUTOMÁTICA E INSTANTANEAMENTE UMA DAS VIAS OU A OUTRA

GUILHERME DE MELLO HOWARD

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