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Priority claimed from JP9620686Aexternal-prioritypatent/JPH0615456B2/ja
Priority claimed from JP9919386Aexternal-prioritypatent/JPH0615458B2/ja
Application filed by Kao CorpfiledCriticalKao Corp
Priority claimed from EP87105607Aexternal-prioritypatent/EP0242792B1/de
Application grantedgrantedCritical
Publication of ATE78392T1publicationCriticalpatent/ATE78392T1/de