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Priority claimed from JP15920880Aexternal-prioritypatent/JPS5782392A/ja
Priority claimed from JP9329381Aexternal-prioritypatent/JPS57209292A/ja
Application filed by Takeda Chemical Industries LtdfiledCriticalTakeda Chemical Industries Ltd
Priority claimed from EP81109233Aexternal-prioritypatent/EP0051824B1/de
Application grantedgrantedCritical
Publication of ATE17489T1publicationCriticalpatent/ATE17489T1/de