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.)
Filing date
Publication date
Priority claimed from JP61140305Aexternal-prioritypatent/JPH0656976B2/en
Application filed by Nec CorpfiledCriticalNec Corp
Priority to SG132893ApriorityCriticalpatent/SG132893G/en
Publication of SG132893GpublicationCriticalpatent/SG132893G/en