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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Publication date
Priority claimed from JP62144030Aexternal-prioritypatent/JP2537875B2/en
Priority claimed from JP62168775Aexternal-prioritypatent/JP2726259B2/en
Priority claimed from JP62328712Aexternal-prioritypatent/JPH01171133A/en
Application filed by Asahi Chemical IndfiledCriticalAsahi Chemical Ind
Priority to SG132693ApriorityCriticalpatent/SG132693G/en
Publication of SG132693GpublicationCriticalpatent/SG132693G/en