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经营范围
发明名称
Automatic gain control system
摘要
申请公布号
US2853543(A)
申请公布日期
1958.09.23
申请号
US19560560836
申请日期
1956.01.23
申请人
CREED & COMPANY LIMITED
发明人
MASON FREDERICK PERCIVAL;STEMP RONALD GILBERT
分类号
H04N1/40;H04N1/407
主分类号
H04N1/40
代理机构
代理人
主权项
地址
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