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 BE0/207865Aexternal-prioritypatent/BE892897A/fr
Application filed by Documentation Environnement, Phenix Works SafiledCriticalDocumentation Environnement
Priority claimed from EP83901324Aexternal-prioritypatent/EP0105896B1/de
Application grantedgrantedCritical
Publication of ATE25859T1publicationCriticalpatent/ATE25859T1/de