Improvements in or relating to secondary electron emitting electrodes,申请号GB19370028377-传众专利搜索

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发明名称	Improvements in or relating to secondary electron emitting electrodes
摘要
申请公布号	GB488688(A)	申请公布日期	1938.07.12
申请号	GB19370028377	申请日期	1937.10.18
申请人	SOCIETE FRANCAISE RADIO-ELECTRIQUE	发明人
分类号	H01J1/32	主分类号	H01J1/32
代理机构		代理人
主权项
地址

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