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发明名称
DATA TRANSMISSION APPARATUS
摘要
申请公布号
GB1279374(A)
申请公布日期
1972.06.28
申请号
GB19710021087
申请日期
1971.04.19
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
DONALD TAO-NAN TANG
分类号
H04L25/48;H04L25/49
主分类号
H04L25/48
代理机构
代理人
主权项
地址
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