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发明名称
摘要
申请公布号
JPH04102555(U)
申请公布日期
1992.09.03
申请号
JP19910003920U
申请日期
1991.02.05
申请人
发明人
分类号
H01J37/04;H01J37/244;H05H9/00;(IPC1-7):H01J37/04
主分类号
H01J37/04
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