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Priority claimed from DE19813142717external-prioritypatent/DE3142717A1/de
Priority claimed from DE19823205056external-prioritypatent/DE3205056A1/de
Application filed by Schuermann & Co HeinzfiledCriticalSchuermann & Co Heinz
Application grantedgrantedCritical
Publication of ATE24026T1publicationCriticalpatent/ATE24026T1/de