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发明名称
Improvements in coupling systems for use in radio or like receivers
摘要
申请公布号
GB485613(A)
申请公布日期
1938.05.23
申请号
GB19380000939
申请日期
1938.01.11
申请人
HAZELTINE CORPORATION
发明人
分类号
H01J21/12;H03G3/22
主分类号
H01J21/12
代理机构
代理人
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