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发明名称
Combined deflecting device for cathode ray tubes
摘要
申请公布号
US2143579(A)
申请公布日期
1939.01.10
申请号
US19350055009
申请日期
1935.12.18
申请人
ERNST RUSKA
发明人
RUSKA ERNST
分类号
H01J29/72
主分类号
H01J29/72
代理机构
代理人
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