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Priority claimed from JP4090693Aexternal-prioritypatent/JPH05291662A/ja
Priority claimed from JP10629992Aexternal-prioritypatent/JPH05299742A/ja
Priority claimed from JP4112944Aexternal-prioritypatent/JPH05315688A/ja
Application filed by Toshiba Co LtdfiledCriticalToshiba Co Ltd
Application grantedgrantedCritical
Publication of TW249304BpublicationCriticalpatent/TW249304B/zh