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.)
Filing date
Publication date
Priority claimed from IN740/MAS/87Aexternal-prioritypatent/IN170276B/en
Application filed by Rieter Ag MaschffiledCriticalRieter Ag Maschf
Priority to IN436MA1991priorityCriticalpatent/IN173836B/en
Publication of IN173836BpublicationCriticalpatent/IN173836B/en