BR7908821A - Aperfeicoamento em serra de cadeia sem fim
- Google Patents
Aperfeicoamento em serra de cadeia sem fim
Info
Publication number
BR7908821A
BR7908821ABR7908821ABR7908821ABR7908821ABR 7908821 ABR7908821 ABR 7908821ABR 7908821 ABR7908821 ABR 7908821ABR 7908821 ABR7908821 ABR 7908821ABR 7908821 ABR7908821 ABR 7908821A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from US05/942,987external-prioritypatent/US4197640A/en
Application filed by Beaird Poulan DivfiledCriticalBeaird Poulan Div
Publication of BR7908821ApublicationCriticalpatent/BR7908821A/pt