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Priority claimed from JP14875682Aexternal-prioritypatent/JPS5939300A/en
Priority claimed from JP13731183Aexternal-prioritypatent/JPS6030697A/en
Application filed by Wako Pure Chem Ind LtdfiledCriticalWako Pure Chem Ind Ltd
Priority claimed from EP83304967Aexternal-prioritypatent/EP0104780B1/en
Application grantedgrantedCritical
Publication of ATE23880T1publicationCriticalpatent/ATE23880T1/en