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发明名称
Signal transmission with secrecy
摘要
申请公布号
US3188390(A)
申请公布日期
1965.06.08
申请号
US19430514996
申请日期
1943.12.20
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MOHR MILTON E.
分类号
H04K1/00
主分类号
H04K1/00
代理机构
代理人
主权项
地址
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