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Priority claimed from JP63233974Aexternal-prioritypatent/JPH0634035B2/en
Priority claimed from JP1988142182Uexternal-prioritypatent/JPH0617105Y2/en
Application filed by Seikosha Co LimitedfiledCriticalSeikosha Co Limited
Priority to SG18694ApriorityCriticalpatent/SG18694G/en
Publication of SG18694GpublicationCriticalpatent/SG18694G/en