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经营范围
发明名称
Electromagnetically controlled thermionic relay
摘要
申请公布号
US2352657(A)
申请公布日期
1944.07.04
申请号
US19410397259
申请日期
1941.06.09
申请人
TELETYPE CORPORATION
发明人
POTTS LOUIS M.
分类号
H01J21/18
主分类号
H01J21/18
代理机构
代理人
主权项
地址
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