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经营范围
发明名称
Ciphering system
摘要
申请公布号
US2403680(A)
申请公布日期
1946.07.09
申请号
US19420462523
申请日期
1942.10.19
申请人
TELETYPE CORPORATION
发明人
POTTS LOUIS M.
分类号
H04L9/38
主分类号
H04L9/38
代理机构
代理人
主权项
地址
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