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发明名称
Cipher checking system
摘要
申请公布号
US2456733(A)
申请公布日期
1948.12.21
申请号
US19460672466
申请日期
1946.05.27
申请人
TELETYPE CORPORATION
发明人
POTTS MARTHA W. C.
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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