Safety control for welders,申请号US19520304982-传众专利搜索

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发明名称	Safety control for welders
摘要
申请公布号	US2650977(A)	申请公布日期	1953.09.01
申请号	US19520304982	申请日期	1952.08.18
申请人	CUTLER-HAMMER, INC.	发明人	WELCH JEROME B.
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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