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发明名称
摘要
申请公布号
JPH0128459(B2)
申请公布日期
1989.06.02
申请号
JP19800124528
申请日期
1980.09.10
申请人
HITACHI LTD
发明人
SAKURAI SOICHI;FUKUDA KYOHEI;OSAKABE KUNIHARU
分类号
H01J29/50;H01J29/51;H01J29/64;H01J29/68
主分类号
H01J29/50
代理机构
代理人
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