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经营范围
发明名称
Communication of intelligence
摘要
申请公布号
US2498677(A)
申请公布日期
1950.02.28
申请号
US19450600255
申请日期
1945.06.19
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
GRIEG DONALD D.
分类号
H04B14/02
主分类号
H04B14/02
代理机构
代理人
主权项
地址
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