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Priority claimed from JP14105786Aexternal-prioritypatent/JPH0755159B2/ja
Application filed by Wako Pure Chem Ind LtdfiledCriticalWako Pure Chem Ind Ltd
Priority claimed from EP86113651Aexternal-prioritypatent/EP0223977B1/de
Application grantedgrantedCritical
Publication of ATE57393T1publicationCriticalpatent/ATE57393T1/de