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发明名称
A wideband high frequency covert communications system
摘要
申请公布号
GB8912337(D0)
申请公布日期
2000.08.23
申请号
GB19890012337
申请日期
1989.05.30
申请人
SECRETARY OF STATE FOR DEFENCE, THE
发明人
分类号
H04K3/00;H04L27/26
主分类号
H04K3/00
代理机构
代理人
主权项
地址
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