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Priority claimed from JP61313996Aexternal-prioritypatent/JPS63225695A/ja
Application filed by Atsushi NasufiledCriticalAtsushi Nasu
Priority claimed from EP87115522Aexternal-prioritypatent/EP0265850B1/de
Application grantedgrantedCritical
Publication of ATE87024T1publicationCriticalpatent/ATE87024T1/de