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Publication date
Priority claimed from BE0/207811Aexternal-prioritypatent/BE892838A/nl
Priority claimed from BE0/208473Aexternal-prioritypatent/BE893679R/fr
Application filed by Wildemeersch Dirk A AfiledCriticalWildemeersch Dirk A A
Priority claimed from EP83870040Aexternal-prioritypatent/EP0091895B1/de
Application grantedgrantedCritical
Publication of ATE19953T1publicationCriticalpatent/ATE19953T1/de