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 FR7324933Aexternal-prioritypatent/FR2236297B1/fr
Application filed by Rotaflex LtdfiledCriticalRotaflex Ltd
Publication of ZA744285BpublicationCriticalpatent/ZA744285B/en