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经营范围
发明名称
ELECTRON GUN
摘要
申请公布号
JPS6454652(A)
申请公布日期
1989.03.02
申请号
JP19870209193
申请日期
1987.08.25
申请人
TOSHIBA CORP
发明人
OISHI TAKASHI
分类号
H01J37/065;H01J37/305
主分类号
H01J37/065
代理机构
代理人
主权项
地址
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