Electric welding machine,申请号US19370124171-传众专利搜索

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发明名称	Electric welding machine
摘要
申请公布号	US2284851(A)	申请公布日期	1942.06.02
申请号	US19370124171	申请日期	1937.02.05
申请人	A. O. SMITH CORPORATION	发明人	TIEDEMANN JULIUS B.
分类号	B23K11/00	主分类号	B23K11/00
代理机构		代理人
主权项
地址

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