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发明名称
摘要
申请公布号	FR1589850(A)	申请公布日期	1970.04.06
申请号	FRD1589850	申请日期	1968.10.23
申请人		发明人
分类号	H01J29/02;H01J31/38;H04N9/097	主分类号	H01J29/02
代理机构		代理人
主权项
地址

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