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经营范围
发明名称
CHANNEL SELECTOR FOR A TELEVISION RECEIVER
摘要
申请公布号
GB1570172(A)
申请公布日期
1980.06.25
申请号
GB19780014333
申请日期
1978.04.12
申请人
PHILIPS NV
发明人
分类号
H03J5/02;(IPC1-7):H03J5/24;H03J3/18
主分类号
H03J5/02
代理机构
代理人
主权项
地址
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