BR8201826A - Aperfeicoamento em dispositivo de perfuracao
- Google Patents
Aperfeicoamento em dispositivo de perfuracao
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Publication number
BR8201826A
BR8201826ABR8201826ABR8201826ABR8201826ABR 8201826 ABR8201826 ABR 8201826ABR 8201826 ABR8201826 ABR 8201826ABR 8201826 ABR8201826 ABR 8201826ABR 8201826 ABR8201826 ABR 8201826A
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Application filed by Heinz Juergen SchafsteinfiledCriticalHeinz Juergen Schafstein
Priority to BR8201826ApriorityCriticalpatent/BR8201826A/pt
Publication of BR8201826ApublicationCriticalpatent/BR8201826A/pt