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发明名称
Improvements in electric high-frequency tuning devices
摘要
申请公布号
GB588310(A)
申请公布日期
1947.05.20
申请号
GB19450003015
申请日期
1945.02.06
申请人
"PATELHOLD" PATENTVERWERTUNGS- & ELEKTRO-HOLDING, A.G.
发明人
分类号
H01P7/04;H03J3/24
主分类号
H01P7/04
代理机构
代理人
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