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发明名称
Modulation means and method
摘要
申请公布号
US2438927(A)
申请公布日期
1948.04.06
申请号
US19420455899
申请日期
1942.08.24
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
LABIN EMILE;GRIEG DONALD D.
分类号
H03K7/08
主分类号
H03K7/08
代理机构
代理人
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地址
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