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发明名称
摘要
申请公布号
FR2075045(A5)
申请公布日期
1971.10.08
申请号
FR19700045420
申请日期
1970.12.16
申请人
SONY CORP
发明人
分类号
G11B15/665;H04N5/782;(IPC1-7):G11B15/00
主分类号
G11B15/665
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