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发明名称
DIGITAL COMMUNICATION SYSTEM
摘要
申请公布号
GB8511073(D0)
申请公布日期
1985.06.12
申请号
GB19850011073
申请日期
1985.05.01
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
分类号
H04J3/12;H04L25/49
主分类号
H04J3/12
代理机构
代理人
主权项
地址
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