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发明名称
DISPENSER CATHODES FOR ELECTRON DISCHARGE TUBES
摘要
申请公布号
CA942825(A)
申请公布日期
1974.02.26
申请号
CA19700094451
申请日期
1970.09.30
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
HOFMANN, HORST;HUEBNER, ERWIN;KATZ, HELMUT
分类号
H01J1/28;H01J9/04
主分类号
H01J1/28
代理机构
代理人
主权项
地址
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