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发明名称
IMPROVEMENTS IN OR RELATING TO COMMUNICATIONS SYSTEM
摘要
申请公布号
GB1214597(A)
申请公布日期
1970.12.02
申请号
GB19690032125
申请日期
1969.06.25
申请人
LEONARD RICHARD KAHN
发明人
LEONARD RICHARD KAHN
分类号
H04B3/00
主分类号
H04B3/00
代理机构
代理人
主权项
地址
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