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发明名称
Cathode ray device
摘要
申请公布号
US2103312(A)
申请公布日期
1937.12.28
申请号
US19330687298
申请日期
1933.08.29
申请人
RADIO CORPORATION
发明人
BANCA MAGGIO C.
分类号
H01J29/02;H01J29/74
主分类号
H01J29/02
代理机构
代理人
主权项
地址
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