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Priority claimed from DE19873709304external-prioritypatent/DE3709304A1/de
Priority claimed from DE19873727951external-prioritypatent/DE3727951A1/de
Application filed by Zemlin Johannes, Hoffmann PeterfiledCriticalZemlin Johannes
Application grantedgrantedCritical
Publication of ATE54244T1publicationCriticalpatent/ATE54244T1/de