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 FR8712993Aexternal-prioritypatent/FR2620399B1/en
Priority claimed from FR878717954Aexternal-prioritypatent/FR2624460B2/en
Application filed by Celette SafiledCriticalCelette Sa
Application grantedgrantedCritical
Publication of ATE74298T1publicationCriticalpatent/ATE74298T1/en