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经营范围
发明名称
Oscillator
摘要
申请公布号
US2153190(A)
申请公布日期
1939.04.04
申请号
US19370136744
申请日期
1937.04.14
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
HOLLMANN HANS E.
分类号
H01J25/66
主分类号
H01J25/66
代理机构
代理人
主权项
地址
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