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经营范围
发明名称
ELECTRON BEAM GENERATOR
摘要
申请公布号
JPS55126949(A)
申请公布日期
1980.10.01
申请号
JP19790034393
申请日期
1979.03.26
申请人
HITACHI LTD
发明人
NAMIKAWA YOSHIHISA
分类号
H01J37/06;H01J37/04
主分类号
H01J37/06
代理机构
代理人
主权项
地址
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