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Priority claimed from JP63019946Aexternal-prioritypatent/JPH01195860A/en
Priority claimed from JP63101382Aexternal-prioritypatent/JPH01275522A/en
Application filed by Sanwa Kagaku Kenkyusho CofiledCriticalSanwa Kagaku Kenkyusho Co
Priority claimed from EP89101461Aexternal-prioritypatent/EP0326963B1/en
Application grantedgrantedCritical
Publication of ATE102818T1publicationCriticalpatent/ATE102818T1/en