Arc starting device,申请号US19390259355-传众专利搜索

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发明名称	Arc starting device
摘要
申请公布号	US2257768(A)	申请公布日期	1941.10.07
申请号	US19390259355	申请日期	1939.03.02
申请人	RAYTHEON MANUFACTURING COMPANY	发明人	SPENCER PERCY L.
分类号	H01J13/48	主分类号	H01J13/48
代理机构		代理人
主权项
地址

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