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发明名称
TELECOMMUNICATIONS SYSTEMS
摘要
申请公布号
GB9312910(D0)
申请公布日期
1993.08.04
申请号
GB19930012910
申请日期
1993.06.22
申请人
NORTHERN TELECOM LTD
发明人
分类号
H04B10/272;H04J3/06;H04L7/04
主分类号
H04B10/272
代理机构
代理人
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