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 JP63331196Aexternal-prioritypatent/JPH02179493A/en
Application filed by Seikosha Co LimitedfiledCriticalSeikosha Co Limited
Priority to SG17994ApriorityCriticalpatent/SG17994G/en
Publication of SG17994GpublicationCriticalpatent/SG17994G/en