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发明名称
Frequency variation response circuit
摘要
申请公布号
US2220098(A)
申请公布日期
1940.11.05
申请号
US19380211158
申请日期
1938.06.01
申请人
RADIO PATENTS CORPORATION
发明人
GUANELLA GUSTAV
分类号
H03J3/12;H03J7/04
主分类号
H03J3/12
代理机构
代理人
主权项
地址
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