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发明名称
PHOTO-CATHODIC TYPE HIGH FREQUENCY ELECTRON GUN
摘要
申请公布号
JPH07226300(A)
申请公布日期
1995.08.22
申请号
JP19940017094
申请日期
1994.02.14
申请人
HITACHI LTD
发明人
AKIYAMA HIROSHI
分类号
H05H7/08;H01J37/075;H05H9/00;H05H13/04;(IPC1-7):H05H7/08
主分类号
H05H7/08
代理机构
代理人
主权项
地址
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