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发明名称
摘要
申请公布号
JPS6343800(Y2)
申请公布日期
1988.11.15
申请号
JP19790144236U
申请日期
1979.10.17
申请人
发明人
分类号
H01J31/20;H01J29/34;H01J29/89;H01J29/92;H01L31/04;H01L31/16;(IPC1-7):H01J29/89
主分类号
H01J31/20
代理机构
代理人
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地址
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