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发明名称
摘要
申请公布号
JPH0514452(Y2)
申请公布日期
1993.04.16
申请号
JP19870002153U
申请日期
1987.01.10
申请人
发明人
分类号
H01J37/08;H01J37/305;H01J37/317;(IPC1-7):H01J37/317
主分类号
H01J37/08
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