,申请号JP19690108667U-传众专利搜索

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发明名称
摘要
申请公布号	JPS5212452(Y1)	申请公布日期	1977.03.18
申请号	JP19690108667U	申请日期	1969.11.14
申请人		发明人
分类号	H01J1/88;H01J17/48;H01J17/58;H01J31/15;(IPC1-7):H01J1/88	主分类号	H01J1/88
代理机构		代理人
主权项
地址

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