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发明名称
Improvements in and relating to data-transmission systems and apparatus
摘要
申请公布号
GB656794(A)
申请公布日期
1951.09.05
申请号
GB19480017165
申请日期
1948.06.25
申请人
THE MINISTER OF SUPPLY
发明人
JOHNSON ERIC ARTHUR
分类号
G05D3/14
主分类号
G05D3/14
代理机构
代理人
主权项
地址
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