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发明名称
Cathode ray tube
摘要
申请公布号
US2075717(A)
申请公布日期
1937.03.30
申请号
US19330672489
申请日期
1933.05.23
申请人
GENERAL ELECTRIC COMPANY
发明人
HEHLGANS FRIEDRICH W.
分类号
H01J29/62
主分类号
H01J29/62
代理机构
代理人
主权项
地址
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