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发明名称
Modulator and modulation system
摘要
申请公布号
US2940056(A)
申请公布日期
1960.06.07
申请号
US19560588861
申请日期
1956.06.01
申请人
GENERAL ELECTRIC COMPANY
发明人
NORGAARD DONALD E.
分类号
H03C1/52
主分类号
H03C1/52
代理机构
代理人
主权项
地址
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