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Priority claimed from JP16145782Aexternal-prioritypatent/JPS5951800A/en
Priority claimed from JP13834483Aexternal-prioritypatent/JPS6030698A/en
Application filed by Wako Pure Chem Ind LtdfiledCriticalWako Pure Chem Ind Ltd
Priority claimed from EP83305378Aexternal-prioritypatent/EP0104047B1/en
Application grantedgrantedCritical
Publication of ATE28650T1publicationCriticalpatent/ATE28650T1/en