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经营范围
发明名称
N.T.S.L. ELECTRONIC TUBE
摘要
申请公布号
HU0000026(D0)
申请公布日期
2000.03.28
申请号
HU20000000026
申请日期
2000.01.06
申请人
发明人
分类号
H01J17/54
主分类号
H01J17/54
代理机构
代理人
主权项
地址
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