BR8805893A - Caixa sifonada com vedacao hidraulica perimetral por aguas superficiais
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Caixa sifonada com vedacao hidraulica perimetral por aguas superficiais
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Publication number
BR8805893A
BR8805893ABR8805893ABR8805893ABR8805893ABR 8805893 ABR8805893 ABR 8805893ABR 8805893 ABR8805893 ABR 8805893ABR 8805893 ABR8805893 ABR 8805893ABR 8805893 ABR8805893 ABR 8805893A
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Application filed by Walter SichmannfiledCriticalWalter Sichmann
Priority to BR8805893ApriorityCriticalpatent/BR8805893A/pt
Publication of BR8805893ApublicationCriticalpatent/BR8805893A/pt