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经营范围
发明名称
Indirectly heated cathode for a gas discharge tube.
摘要
申请公布号
EP0384406(B1)
申请公布日期
1995.12.06
申请号
EP19900103257
申请日期
1990.02.20
申请人
HAMAMATSU PHOTONICS K.K.
发明人
KAWAI, KOJI
分类号
H01J61/067;H01J1/20;H01J61/09;H01J61/68;(IPC1-7):H01J1/20;H01J1/22
主分类号
H01J61/067
代理机构
代理人
主权项
地址
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