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发明名称
Data communication system
摘要
申请公布号
GB1120975(A)
申请公布日期
1968.07.24
申请号
GB19670010380
申请日期
1967.03.06
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
H04J11/00;H04L23/02;H04L25/48
主分类号
H04J11/00
代理机构
代理人
主权项
地址
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