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发明名称
Verification of video recording
摘要
申请公布号
GB2055239(A)
申请公布日期
1981.02.25
申请号
GB19800024588
申请日期
1980.07.28
申请人
RCA CORP
发明人
分类号
G11B5/48;G11B15/02;G11B27/36;(IPC1-7):G11B27/36;G11B5/00;G11B5/49;G11B5/52
主分类号
G11B5/48
代理机构
代理人
主权项
地址
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