Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority claimed from JP28981286Aexternal-prioritypatent/JPH0648983B2/en
Priority claimed from JP1655387Aexternal-prioritypatent/JPH0728738B2/en
Priority claimed from JP1655187Aexternal-prioritypatent/JPH0728736B2/en
Priority claimed from JP1655287Aexternal-prioritypatent/JPH0728737B2/en
Application filed by Kao CorpfiledCriticalKao Corp
Publication of PH27442ApublicationCriticalpatent/PH27442A/en