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Priority claimed from JP12870082Aexternal-prioritypatent/JPS5920300A/ja
Priority claimed from JP57170639Aexternal-prioritypatent/JPS59140899A/ja
Priority claimed from JP11042383Aexternal-prioritypatent/JPS602198A/ja
Application filed by Wako Pure Chem Ind LtdfiledCriticalWako Pure Chem Ind Ltd
Priority claimed from EP19830304262external-prioritypatent/EP0100217B1/de
Application grantedgrantedCritical
Publication of ATE30172T1publicationCriticalpatent/ATE30172T1/de