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发明名称
摘要
申请公布号	JPH0318913(Y2)	申请公布日期	1991.04.22
申请号	JP19810152099U	申请日期	1981.10.13
申请人		发明人
分类号	H01J37/20;G01N1/00;G01N1/28;G01N23/227;(IPC1-7):G01N1/28	主分类号	H01J37/20
代理机构		代理人
主权项
地址

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