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Priority claimed from JP94691Aexternal-prioritypatent/JP3289278B2/en
Priority claimed from JP1991020455Uexternal-prioritypatent/JP2577653Y2/en
Application filed by Seiko Epson CorpfiledCriticalSeiko Epson Corp
Publication of SG46430A1publicationCriticalpatent/SG46430A1/en