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 GB4388372Aexternal-prioritypatent/GB1406817A/en
Application filed by Rieter Ag MaschffiledCriticalRieter Ag Maschf
Publication of IN139395BpublicationCriticalpatent/IN139395B/en