,申请号JP19900407057U-传众专利搜索

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发明名称
摘要
申请公布号	JPH0492360(U)	申请公布日期	1992.08.11
申请号	JP19900407057U	申请日期	1990.12.27
申请人		发明人
分类号	H01J31/15;(IPC1-7):H01J31/15	主分类号	H01J31/15
代理机构		代理人
主权项
地址

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