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Priority claimed from PCT/EP1987/000339external-prioritypatent/WO1988000549A1/de
Application filed by Dieter Schuermann, Bernd GudereitfiledCriticalDieter Schuermann
Priority claimed from EP19880101206external-prioritypatent/EP0296306B1/de
Application grantedgrantedCritical
Publication of ATE67723T1publicationCriticalpatent/ATE67723T1/de