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发明名称
摘要
申请公布号
DE2118310(A1)
申请公布日期
1971.10.28
申请号
DE19712118310
申请日期
1971.04.15
申请人
COLUNBIA BROADCASTING SYSTEM I
发明人
分类号
G02B5/18;G02B26/10;G06K7/10;G11B7/08;H04N3/02;(IPC1-7):G11B7/08
主分类号
G02B5/18
代理机构
代理人
主权项
地址
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