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Priority claimed from JP23327694Aexternal-prioritypatent/JP3502670B2/en
Priority claimed from JP7001938Aexternal-prioritypatent/JPH08189825A/en
Application filed by Seiko Precision Inc.filedCriticalSeiko Precision Inc.
Publication of HK1009606A1publicationCriticalpatent/HK1009606A1/en
Publication of HK1009606BpublicationCriticalpatent/HK1009606B/en