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Priority claimed from DE19843434980external-prioritypatent/DE3434980A1/de
Priority claimed from DE19853511941external-prioritypatent/DE3511941A1/de
Application filed by Hans Karl LeistritzfiledCriticalHans Karl Leistritz
Priority claimed from EP19850902449external-prioritypatent/EP0214974B1/de
Application grantedgrantedCritical
Publication of ATE60936T1publicationCriticalpatent/ATE60936T1/de