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发明名称
摘要
申请公布号
JPS6143779(B2)
申请公布日期
1986.09.30
申请号
JP19770047101
申请日期
1977.04.23
申请人
SONY CORP
发明人
TOGAWA KAZUO;TAKAHASHI TADASHI
分类号
G11B15/68
主分类号
G11B15/68
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