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发明名称
Improvements in or relating to luminous electric discharge tubes
摘要
申请公布号
GB421705(A)
申请公布日期
1934.12.28
申请号
GB19340009477
申请日期
1934.03.26
申请人
WESTINGHOUSE LAMP COMPANY
发明人
分类号
B42F13/28;H01J61/74
主分类号
B42F13/28
代理机构
代理人
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