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摘要
申请公布号
JPS5979966(U)
申请公布日期
1984.05.30
申请号
JP19820175729U
申请日期
1982.11.19
申请人
发明人
分类号
H01J31/12;H01J29/72;H01J29/82;(IPC1-7):H01J29/82
主分类号
H01J31/12
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