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发明名称
摘要
申请公布号
JPS5722473(B2)
申请公布日期
1982.05.13
申请号
JP19750033510
申请日期
1975.03.22
申请人
发明人
分类号
G11B20/02;G11B5/027;H04N9/84
主分类号
G11B20/02
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代理人
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地址
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