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Priority claimed from JP7429594Aexternal-prioritypatent/JPH07260367A/ja
Priority claimed from JP6159298Aexternal-prioritypatent/JPH085261A/ja
Application filed by Daido Steel Co LtdfiledCriticalDaido Steel Co Ltd
Application grantedgrantedCritical
Publication of TW289795BpublicationCriticalpatent/TW289795B/zh