,申请号DE19712146232-传众专利搜索

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发明名称
摘要
申请公布号	DE2146232(A1)	申请公布日期	1972.04.06
申请号	DE19712146232	申请日期	1971.09.16
申请人	HEWLETT PACKARD CO	发明人
分类号	H01J29/39;H01J31/18;(IPC1-7):H01J29/41	主分类号	H01J29/39
代理机构		代理人
主权项
地址

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