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发明名称
CIPHERING APPARATUS
摘要
申请公布号
CA448722(A)
申请公布日期
1948.05.25
申请号
CAD448722
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
CHARLES R. DOTY
分类号
主分类号
代理机构
代理人
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