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发明名称
Improvements in systems for modulation of radio frequency currents with carrier suppression
摘要
申请公布号
GB531274(A)
申请公布日期
1941.01.01
申请号
GB19390020626
申请日期
1939.07.15
申请人
INTERCONTINENTAL SERVICE CORPORATION
发明人
分类号
H03C7/02
主分类号
H03C7/02
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代理人
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