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Priority claimed from JP17209187Aexternal-prioritypatent/JPS6416771A/en
Priority claimed from JP5381788Aexternal-prioritypatent/JPH01228970A/en
Application filed by Meiji Seika KaishafiledCriticalMeiji Seika Kaisha
Priority claimed from EP88111070Aexternal-prioritypatent/EP0299413B1/en
Application grantedgrantedCritical
Publication of ATE61802T1publicationCriticalpatent/ATE61802T1/en