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发明名称
Improvements in or relating to chokes and other electro-magnetic devices
摘要
申请公布号
GB306417(A)
申请公布日期
1930.04.17
申请号
GB19290005439
申请日期
1929.02.18
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H02M1/14
主分类号
H02M1/14
代理机构
代理人
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地址
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