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发明名称
摘要
申请公布号
JPS6387754(U)
申请公布日期
1988.06.08
申请号
JP19860182184U
申请日期
1986.11.27
申请人
发明人
分类号
H01J29/76;H01J29/82;(IPC1-7):H01J29/82
主分类号
H01J29/76
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