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发明名称
Improvements relating to electron discharge devices such as television transmission tubes
摘要
申请公布号
GB682318(A)
申请公布日期
1952.11.05
申请号
GB19490000018
申请日期
1949.01.01
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
MCGEE JAMES DWYER;SOMMER ALFRED;CASSMAN HARRY
分类号
H01J29/43
主分类号
H01J29/43
代理机构
代理人
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