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 FR7424633Aexternal-prioritypatent/FR2278683A1/en
Priority claimed from FR7824633Aexternal-prioritypatent/FR2401079A1/en
Application filed by ParcorfiledCriticalParcor
Publication of IT7949200A0publicationCriticalpatent/IT7949200A0/en