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发明名称
CHANNEL SELECTING APPARATUS
摘要
申请公布号
GB1527147(A)
申请公布日期
1978.10.04
申请号
GB19760034828
申请日期
1976.08.20
申请人
SONY CORP
发明人
分类号
H03J7/18;H03J5/02;H03J7/28;H04N5/44;(IPC1-7):H03J5/00
主分类号
H03J7/18
代理机构
代理人
主权项
地址
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