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经营范围
发明名称
SIGNAL PROCESSING AND GAIN CONTROL
摘要
申请公布号
GB2037107(B)
申请公布日期
1983.07.20
申请号
GB19790040007
申请日期
1979.11.20
申请人
PARKIN D
发明人
分类号
H03G3/20;H03G9/02;(IPC1-7):H03G3/20
主分类号
H03G3/20
代理机构
代理人
主权项
地址
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