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发明名称
Electron tube
摘要
申请公布号
US2073598(A)
申请公布日期
1937.03.09
申请号
US19280295164
申请日期
1928.07.25
申请人
RUBINSTEIN SAMUEL B
发明人
RUBINSTEIN SAMUEL B.
分类号
H01J1/20
主分类号
H01J1/20
代理机构
代理人
主权项
地址
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