,申请号JP19900070137U-传众专利搜索

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发明名称
摘要
申请公布号	JPH0429152(U)	申请公布日期	1992.03.09
申请号	JP19900070137U	申请日期	1990.06.29
申请人		发明人
分类号	H01J9/22;H01J9/227;H01J9/46;(IPC1-7):H01J9/227	主分类号	H01J9/22
代理机构		代理人
主权项
地址

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