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发明名称
Frequency shift transmitter
摘要
申请公布号
US2894208(A)
申请公布日期
1959.07.07
申请号
US19550532691
申请日期
1955.09.06
申请人
MOTOROLA, INC.
发明人
CROW ROBERT P.
分类号
H04B3/54;H04L27/12
主分类号
H04B3/54
代理机构
代理人
主权项
地址
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