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Priority claimed from DE19863615538external-prioritypatent/DE3615538A1/en
Priority claimed from DE19863626176external-prioritypatent/DE3626176A1/en
Application filed by Lechner GmbhfiledCriticalLechner Gmbh
Priority claimed from EP87106651Aexternal-prioritypatent/EP0244865B1/en
Application grantedgrantedCritical
Publication of ATE52050T1publicationCriticalpatent/ATE52050T1/en