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经营范围
发明名称
Tube for short waves
摘要
申请公布号
US2129076(A)
申请公布日期
1938.09.06
申请号
US19350010046
申请日期
1935.03.08
申请人
BRUNO WIENECKE
发明人
WIENECKE BRUNO
分类号
H01J21/06
主分类号
H01J21/06
代理机构
代理人
主权项
地址
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