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发明名称
Improvements in or relating to variable inductance devices
摘要
申请公布号
GB542531(A)
申请公布日期
1942.01.14
申请号
GB19400011976
申请日期
1940.07.22
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED
发明人
分类号
H01F21/06
主分类号
H01F21/06
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代理人
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