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发明名称
摘要
申请公布号	JPS56162851(U)	申请公布日期	1981.12.03
申请号	JP19800061220U	申请日期	1980.05.02
申请人		发明人
分类号	H01J23/40;(IPC1-7):H01J23/333	主分类号	H01J23/40
代理机构		代理人
主权项
地址

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