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经营范围
发明名称
MAGNETISM ERASING DEVICE
摘要
申请公布号
JPS5359406(A)
申请公布日期
1978.05.29
申请号
JP19760134361
申请日期
1976.11.09
申请人
SONY CORP
发明人
WATANABE YOSHIMI
分类号
H04N5/765;G11B5/02;G11B5/024;G11B5/596;H04N5/78;H04N5/781
主分类号
H04N5/765
代理机构
代理人
主权项
地址
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