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Priority claimed from DE19863615304external-prioritypatent/DE3615304A1/en
Application filed by Wangner Gmbh Co Kg HermannfiledCriticalWangner Gmbh Co Kg Hermann
Priority claimed from EP19860117588external-prioritypatent/EP0224276B1/en
Application grantedgrantedCritical
Publication of ATE51427T1publicationCriticalpatent/ATE51427T1/en