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Priority claimed from DE19863608374external-prioritypatent/DE3608374A1/en
Priority claimed from DE19863639935external-prioritypatent/DE3639935A1/en
Application filed by Kuesters Eduard MaschffiledCriticalKuesters Eduard Maschf
Priority claimed from EP87100768Aexternal-prioritypatent/EP0236699B1/en
Application grantedgrantedCritical
Publication of ATE61856T1publicationCriticalpatent/ATE61856T1/en