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发明名称
Improvements in and relating to wireless receiving apparatus
摘要
申请公布号
GB526239(A)
申请公布日期
1940.09.13
申请号
GB19390004194
申请日期
1939.02.08
申请人
HOWARD LYNTON FLETCHER
发明人
分类号
G08B23/00;H04W88/02
主分类号
G08B23/00
代理机构
代理人
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