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 FR7903789Aexternal-prioritypatent/FR2447740A1/fr
Priority claimed from FR7918175Aexternal-prioritypatent/FR2460694A2/fr
Application filed by MajorettefiledCriticalMajorette
Priority claimed from EP80420014Aexternal-prioritypatent/EP0015217B1/de
Application grantedgrantedCritical
Publication of ATE7661T1publicationCriticalpatent/ATE7661T1/de