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发明名称
摘要
申请公布号
JPS531170(B2)
申请公布日期
1978.01.17
申请号
JP19740004250
申请日期
1973.12.25
申请人
发明人
分类号
G11B20/02;G11B5/027;H04N9/44;H04N9/64;H04N9/79;(IPC1-7):H04N5/79;G11B5/02;H04N9/02;H04N9/50
主分类号
G11B20/02
代理机构
代理人
主权项
地址
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