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发明名称
摘要
申请公布号
FR2129484(A5)
申请公布日期
1972.10.27
申请号
FR19720007911
申请日期
1972.03.07
申请人
SONY CORP
发明人
分类号
G11B15/665;G11B23/087;(IPC1-7):G11B23/00
主分类号
G11B15/665
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