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Priority claimed from CH1131379Aexternal-prioritypatent/CH634217A5/en
Priority claimed from CH1131479Aexternal-prioritypatent/CH633596A5/en
Application filed by Battelle Memorial InstitutefiledCriticalBattelle Memorial Institute
Priority claimed from EP80810403Aexternal-prioritypatent/EP0031308B1/en
Application grantedgrantedCritical
Publication of ATE8156T1publicationCriticalpatent/ATE8156T1/en