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Priority claimed from CH1580/88Aexternal-prioritypatent/CH675612A5/en
Priority claimed from CH423588Aexternal-prioritypatent/CH676342A5/en
Application filed by Diaber AgfiledCriticalDiaber Ag
Priority claimed from EP89105069Aexternal-prioritypatent/EP0339261B1/en
Application grantedgrantedCritical
Publication of ATE83702T1publicationCriticalpatent/ATE83702T1/en