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发明名称
Secrecy communication system
摘要
申请公布号
US2836657(A)
申请公布日期
1958.05.27
申请号
US19440564301
申请日期
1944.11.20
申请人
GENERAL ELECTRIC COMPANY
发明人
BARTELINK EVERHARD H. B.
分类号
H04J3/00;H04K1/06
主分类号
H04J3/00
代理机构
代理人
主权项
地址
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