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Priority claimed from DE19863601607external-prioritypatent/DE3601607A1/en
Priority claimed from DE19863604017external-prioritypatent/DE3604017A1/en
Application filed by Freimut MaassfiledCriticalFreimut Maass
Priority claimed from EP87900798Aexternal-prioritypatent/EP0253858B1/en
Application grantedgrantedCritical
Publication of ATE62460T1publicationCriticalpatent/ATE62460T1/en