Direct current welding,申请号US19280318160-传众专利搜索

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发明名称	Direct current welding
摘要
申请公布号	US1936061(A)	申请公布日期	1933.11.21
申请号	US19280318160	申请日期	1928.11.09
申请人	FISHER LAWSON JOHN	发明人	LAWSON JOHN FISHER
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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