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Priority claimed from DE3910203Aexternal-prioritypatent/DE3910203A1/de
Priority claimed from DE3931033Aexternal-prioritypatent/DE3931033A1/de
Application filed by Bissinger GmbhfiledCriticalBissinger Gmbh
Priority claimed from EP90903784Aexternal-prioritypatent/EP0468970B1/de
Application grantedgrantedCritical
Publication of ATE87496T1publicationCriticalpatent/ATE87496T1/de