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Priority claimed from DE19868610075external-prioritypatent/DE8610075U1/de
Priority claimed from DE19863632625external-prioritypatent/DE3632625A1/de
Application filed by Cera Handels GmbhfiledCriticalCera Handels Gmbh
Priority claimed from EP87104423Aexternal-prioritypatent/EP0241775B1/de
Application grantedgrantedCritical
Publication of ATE54352T1publicationCriticalpatent/ATE54352T1/de