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发明名称
Transmission systems
摘要
申请公布号
GB1009491(A)
申请公布日期
1965.11.10
申请号
GB19630045923
申请日期
1963.11.21
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
H04L25/03
主分类号
H04L25/03
代理机构
代理人
主权项
地址
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