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Priority claimed from JP22004386Aexternal-prioritypatent/JPH0670238B2/ja
Priority claimed from JP22004486Aexternal-prioritypatent/JPH0670239B2/ja
Application filed by Kao CorpfiledCriticalKao Corp
Priority claimed from EP87113411Aexternal-prioritypatent/EP0260640B1/de
Application grantedgrantedCritical
Publication of ATE98673T1publicationCriticalpatent/ATE98673T1/de