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发明名称
FREQUENCY AGILITY
摘要
申请公布号
GB8927783(D0)
申请公布日期
1990.02.14
申请号
GB19890027783
申请日期
1989.12.08
申请人
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人
分类号
H04M11/00;H04J14/00;H04J14/02;H04Q3/42;H04Q3/52
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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