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发明名称
ELECTRON BEAM TUBE
摘要
申请公布号
JPH0541172(A)
申请公布日期
1993.02.19
申请号
JP19910197550
申请日期
1991.08.07
申请人
NEC CORP
发明人
YOSHIDA MITSURU
分类号
H01J23/06
主分类号
H01J23/06
代理机构
代理人
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