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发明名称
Method and apparatus for telegraph transmission at high speed
摘要
申请公布号
GB822624(A)
申请公布日期
1959.10.28
申请号
GB19560028479
申请日期
1956.09.18
申请人
DUILIO NATALI
发明人
分类号
H04L27/10
主分类号
H04L27/10
代理机构
代理人
主权项
地址
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