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发明名称
Radio tube and socket structure
摘要
申请公布号
US2206798(A)
申请公布日期
1940.07.02
申请号
US19380202781
申请日期
1938.04.18
申请人
PENNSYIVANIA PATENTS, INC.
发明人
WOODS LESLIE J.
分类号
H01J5/54;H01R33/76
主分类号
H01J5/54
代理机构
代理人
主权项
地址
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