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发明名称
SIGNAL RECORDING AND REPRODUCING DISC
摘要
申请公布号
JPS5263615(A)
申请公布日期
1977.05.26
申请号
JP19750138746
申请日期
1975.11.20
申请人
SONY CORP
发明人
KASUYA HIROHARU
分类号
G11B23/033;G11B5/027;G11B23/02;H04N5/78
主分类号
G11B23/033
代理机构
代理人
主权项
地址
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