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经营范围
发明名称
Discharge tube
摘要
申请公布号
US2081708(A)
申请公布日期
1937.05.25
申请号
US19360080690
申请日期
1936.05.20
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
KROL BAARTE
分类号
H01J1/18
主分类号
H01J1/18
代理机构
代理人
主权项
地址
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