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发明名称
Improvements in electrical switching means, more especially applicable to wireless tuning apparatus
摘要
申请公布号
GB476578(A)
申请公布日期
1937.12.10
申请号
GB19360016235
申请日期
1936.06.10
申请人
EDWARD WALTER HOBBS
发明人
分类号
H03J5/06
主分类号
H03J5/06
代理机构
代理人
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