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发明名称
Improvements in and relating to electric wave communication systems
摘要
申请公布号
GB560055(A)
申请公布日期
1944.03.17
申请号
GB19420013012
申请日期
1942.09.15
申请人
REDIFFUSION LIMITED;PAUL ADORJAN;REGINALD VICTOR ROSCOE
发明人
分类号
H04B3/30
主分类号
H04B3/30
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