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发明名称
Magnetron
摘要
申请公布号
US2162807(A)
申请公布日期
1939.06.20
申请号
US19380197985
申请日期
1938.03.25
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
FRITZ KARL
分类号
H01J25/52;H03B9/10;H03F3/54
主分类号
H01J25/52
代理机构
代理人
主权项
地址
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