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 JP63204227Aexternal-prioritypatent/JP2717136B2/en
Priority claimed from JP63259190Aexternal-prioritypatent/JP2596814B2/en
Application filed by Seikosha Co LimitedfiledCriticalSeikosha Co Limited
Priority to SG17394ApriorityCriticalpatent/SG17394G/en
Publication of SG17394GpublicationCriticalpatent/SG17394G/en