BR7600332A - Instrumento didatico denominado espirografo
- Google Patents
Instrumento didatico denominado espirografo
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Publication number
BR7600332A
BR7600332ABR7600332ABR7600332ABR7600332ABR 7600332 ABR7600332 ABR 7600332ABR 7600332 ABR7600332 ABR 7600332ABR 7600332 ABR7600332 ABR 7600332ABR 7600332 ABR7600332 ABR 7600332A
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Publication date
Application filed by M BarrosfiledCriticalM Barros
Priority to BR7600332ApriorityCriticalpatent/BR7600332A/pt
Publication of BR7600332ApublicationCriticalpatent/BR7600332A/pt