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Priority claimed from DE2910234Aexternal-prioritypatent/DE2910234C2/en
Priority claimed from DE2930007Aexternal-prioritypatent/DE2930007C2/en
Application filed by Alkor GmbhfiledCriticalAlkor Gmbh
Priority claimed from EP19800101353external-prioritypatent/EP0016438B1/en
Application grantedgrantedCritical
Publication of ATE8023T1publicationCriticalpatent/ATE8023T1/en