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 IN708MA1989external-prioritypatent/IN175060B/en
Application filed by Rieter Ag MaschffiledCriticalRieter Ag Maschf
Priority to IN889MA1989priorityCriticalpatent/IN173815B/en
Publication of IN173815BpublicationCriticalpatent/IN173815B/en