Secondary-electron-emitting surface,申请号US19490102618-传众专利搜索

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发明名称	Secondary-electron-emitting surface
摘要
申请公布号	US2620287(A)	申请公布日期	1952.12.02
申请号	US19490102618	申请日期	1949.07.01
申请人	JENNY BRAMLEY	发明人	BRAMLEY JENNY
分类号	H01J1/32;H01J9/12	主分类号	H01J1/32
代理机构		代理人
主权项
地址

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