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发明名称
Improvements relating to gas-filled electric discharge illuminating tubes
摘要
申请公布号
GB315794(A)
申请公布日期
1930.10.17
申请号
GB19290021984
申请日期
1929.07.17
申请人
FRANZ ROTHER
发明人
分类号
H01J61/54
主分类号
H01J61/54
代理机构
代理人
主权项
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