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 FR8208744Aexternal-prioritypatent/FR2527012B1/fr
Priority claimed from FR8216499Aexternal-prioritypatent/FR2533762B2/fr
Application filed by Sandvale Atel SarlfiledCriticalSandvale Atel Sarl
Priority claimed from EP19830440004external-prioritypatent/EP0094896B1/de
Application grantedgrantedCritical
Publication of ATE35885T1publicationCriticalpatent/ATE35885T1/de