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发明名称
Improvements relating to data transmission apparatus
摘要
申请公布号
GB1104103(A)
申请公布日期
1968.02.21
申请号
GB19650039979
申请日期
1965.09.20
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
H04L25/08
主分类号
H04L25/08
代理机构
代理人
主权项
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