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经营范围
发明名称
Improvements in or relating to communicatioin systems and to signal receivers therefor
摘要
申请公布号
GB619878(A)
申请公布日期
1949.03.16
申请号
GB19460018576
申请日期
1946.06.20
申请人
THOMAS HAROLD FLOWERS
发明人
分类号
H04L27/06;H04Q1/446
主分类号
H04L27/06
代理机构
代理人
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