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发明名称
ELECTRON BEAM DEVICE
摘要
申请公布号
JPH02276144(A)
申请公布日期
1990.11.13
申请号
JP19890098105
申请日期
1989.04.18
申请人
FUJITSU LTD
发明人
HAMA SOICHI;OZAKI KAZUYUKI;ITO AKIO;OKUBO KAZUO;ABE TAKAYUKI
分类号
H01J37/22;H01J37/147
主分类号
H01J37/22
代理机构
代理人
主权项
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