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发明名称
Improvements in or relating to tuning and indicating devices for use with wireless apparatus
摘要
申请公布号
GB476874(A)
申请公布日期
1937.12.13
申请号
GB19360016527
申请日期
1936.06.13
申请人
WALTER JOHN BROWN
发明人
分类号
H05K7/02
主分类号
H05K7/02
代理机构
代理人
主权项
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