Apparatus for electric welding,申请号US19290343351-传众专利搜索

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发明名称	Apparatus for electric welding
摘要
申请公布号	US1861011(A)	申请公布日期	1932.05.31
申请号	US19290343351	申请日期	1929.02.28
申请人	METROPOLITAN ENGINEERING COMPANY	发明人	HOLMES HENRY S.
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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