BR9700681A - Aperfeiçoamento em ventilador-exaustor centrífugo
- Google Patents
Aperfeiçoamento em ventilador-exaustor centrífugo
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Publication number
BR9700681A
BR9700681ABR9700681ABR9700681ABR9700681ABR 9700681 ABR9700681 ABR 9700681ABR 9700681 ABR9700681 ABR 9700681ABR 9700681 ABR9700681 ABR 9700681ABR 9700681 ABR9700681 ABR 9700681A
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Application filed by Leonardo Jacob KeimfiledCriticalLeonardo Jacob Keim
Priority to BR9700681ApriorityCriticalpatent/BR9700681A/pt
Publication of BR9700681ApublicationCriticalpatent/BR9700681A/pt