Cathode heater assembly for use in strong d.c. magnetic fields,申请号US19620221796-传众专利搜索

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发明名称	Cathode heater assembly for use in strong d.c. magnetic fields
摘要
申请公布号	US3223876(A)	申请公布日期	1965.12.14
申请号	US19620221796	申请日期	1962.09.06
申请人	S-F-D LABORATORIES, INC.	发明人	LISCIO MAURICE F.
分类号	H01J23/05	主分类号	H01J23/05
代理机构		代理人
主权项
地址

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