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 FR7801632Aexternal-prioritypatent/FR2415099A1/en
Application filed by Ile De FrancefiledCriticalIle De France
Priority to NZ196218ApriorityCriticalpatent/NZ196218A/en
Publication of NZ196218ApublicationCriticalpatent/NZ196218A/en