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Application filed by Ind Tech Res Inst, Trace Storage Technology CorpfiledCriticalInd Tech Res Inst
Priority to TW82107375ApriorityCriticalpatent/TW223701B/zh
Application grantedgrantedCritical
Publication of TW223701BpublicationCriticalpatent/TW223701B/zh
Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier