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Priority claimed from CH584981Aexternal-prioritypatent/CH633750A5/en
Priority claimed from CH410082Aexternal-prioritypatent/CH662315A5/en
Application filed by Georg IgloifiledCriticalGeorg Igloi
Priority claimed from EP19820108374external-prioritypatent/EP0074643B1/en
Application grantedgrantedCritical
Publication of ATE19374T1publicationCriticalpatent/ATE19374T1/en