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Priority claimed from DE19853512811external-prioritypatent/DE3512811C1/de
Priority claimed from DE19853533771external-prioritypatent/DE3533771C1/de
Application filed by Hammer Lit GmbhfiledCriticalHammer Lit Gmbh
Priority claimed from EP19860104370external-prioritypatent/EP0198305B1/de
Application grantedgrantedCritical
Publication of ATE33370T1publicationCriticalpatent/ATE33370T1/de