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 JP63311614Aexternal-prioritypatent/JPH02157683A/en
Application filed by Seikosha Co LimitedfiledCriticalSeikosha Co Limited
Priority to SG17794ApriorityCriticalpatent/SG17794G/en
Publication of SG17794GpublicationCriticalpatent/SG17794G/en