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Priority claimed from JP7552587Aexternal-prioritypatent/JPS63152334A/ja
Application filed by Chisso CorpfiledCriticalChisso Corp
Priority claimed from EP87111048Aexternal-prioritypatent/EP0255700B1/de
Application grantedgrantedCritical
Publication of ATE67991T1publicationCriticalpatent/ATE67991T1/de