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发明名称
Appareil de chiffrement et de déchiffrement pour télétypes
摘要
申请公布号
FR1011726(A)
申请公布日期
1952.06.26
申请号
FRD1011726
申请日期
1949.03.10
申请人
发明人
RAFFALLI JOSEPH-AUGUSTE;HAGELIN BORIS;CHAUNY RENE PRESSEQ DE
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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