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 FR8501249Aexternal-prioritypatent/FR2578277B1/fr
Priority claimed from FR8516620Aexternal-prioritypatent/FR2589501B2/fr
Application filed by Yannick CruaudfiledCriticalYannick Cruaud
Priority claimed from EP19860400131external-prioritypatent/EP0190076B1/de
Application grantedgrantedCritical
Publication of ATE53880T1publicationCriticalpatent/ATE53880T1/de