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发明名称
ELECTRON BEAM DEVICE
摘要
申请公布号
JPH01120753(A)
申请公布日期
1989.05.12
申请号
JP19870278543
申请日期
1987.11.04
申请人
FUJITSU LTD
发明人
ITO AKIO;ISHIZUKA TOSHIHIRO;OZAKI KAZUYUKI;OKUBO KAZUO
分类号
H01J37/244;H01J37/06
主分类号
H01J37/244
代理机构
代理人
主权项
地址
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