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发明名称
Power tube
摘要
申请公布号
US2031112(A)
申请公布日期
1936.02.18
申请号
US19310520061
申请日期
1931.03.04
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
KUHLE WILHELM EBERHARD
分类号
H01J19/36
主分类号
H01J19/36
代理机构
代理人
主权项
地址
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