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 JP63292078Aexternal-prioritypatent/JPH07892B2/en
Application filed by Nit Co LtdfiledCriticalNit Co Ltd
Priority to SG23894ApriorityCriticalpatent/SG23894G/en
Publication of SG23894GpublicationCriticalpatent/SG23894G/en