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经营范围
发明名称
Improvements in or relating to electric glow discharge tubes
摘要
申请公布号
GB377234(A)
申请公布日期
1932.07.22
申请号
GB19310011956
申请日期
1931.04.22
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;GEORGE FAIRBURN BRETT
发明人
分类号
H01J61/28
主分类号
H01J61/28
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代理人
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