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发明名称
Improvements in or relating to cathode ray tubes
摘要
申请公布号
GB402460(A)
申请公布日期
1933.12.04
申请号
GB19320015693
申请日期
1932.06.02
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED;JAMES DWYER MCGEE
发明人
分类号
H01J29/62
主分类号
H01J29/62
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