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经营范围
发明名称
KEYING SIGNAL CIRCUIT
摘要
申请公布号
GB2028610(B)
申请公布日期
1983.03.30
申请号
GB19790028268
申请日期
1979.08.14
申请人
RCA CORP AGC
发明人
分类号
H03G3/20;H04N5/53;(IPC1-7):H03G3/20;H03G3/30
主分类号
H03G3/20
代理机构
代理人
主权项
地址
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