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经营范围
发明名称
Glow discharge tube
摘要
申请公布号
US1915934(A)
申请公布日期
1933.06.27
申请号
US19300444680
申请日期
1930.04.16
申请人
RADIO CORPORATION
发明人
HOLST GILLES;RINIA HERRE
分类号
H01J17/06
主分类号
H01J17/06
代理机构
代理人
主权项
地址
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