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经营范围
发明名称
AMPLIFIER GAIN CONTROL
摘要
申请公布号
GB2114391(A)
申请公布日期
1983.08.17
申请号
GB19830000902
申请日期
1983.01.13
申请人
* DBX INC
发明人
DAVID R * WELLAND
分类号
H03G3/12;H03G1/00;H03G3/02;H03G3/30;H03G7/00;H03G7/08;(IPC1-7):H03G3/12
主分类号
H03G3/12
代理机构
代理人
主权项
地址
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