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Priority claimed from JP63303160Aexternal-prioritypatent/JP2549159B2/ja
Priority claimed from JP63303159Aexternal-prioritypatent/JPH0724636B2/ja
Priority claimed from JP1047534Aexternal-prioritypatent/JP2584508B2/ja
Application filed by Kao CorpfiledCriticalKao Corp
Priority claimed from EP19890122081external-prioritypatent/EP0372388B1/de
Application grantedgrantedCritical
Publication of ATE101670T1publicationCriticalpatent/ATE101670T1/de