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发明名称
摘要
申请公布号
JPH0467258(B2)
申请公布日期
1992.10.27
申请号
JP19830202600
申请日期
1983.10.31
申请人
HITACHI LTD
发明人
IKUMA AKITOMO;OKUDA TADASHI
分类号
G11B7/09
主分类号
G11B7/09
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