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发明名称
Transmitter protective system
摘要
申请公布号
US1939340(A)
申请公布日期
1933.12.12
申请号
US19300462298
申请日期
1930.06.19
申请人
INTERNATIONAL COMMUNICATIONS LABORATORIES, INC.
发明人
DURAND SAMUEL R.
分类号
H03F1/54
主分类号
H03F1/54
代理机构
代理人
主权项
地址
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