Electrical control system,申请号US19490099287-传众专利搜索

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发明名称	Electrical control system
摘要
申请公布号	US2540514(A)	申请公布日期	1951.02.06
申请号	US19490099287	申请日期	1949.06.15
申请人	WELTRONIC COMPANY	发明人	ELLIOTT LAUREN F.
分类号	B23K11/24	主分类号	B23K11/24
代理机构		代理人
主权项
地址

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