Arc-welding apparatus,申请号US19290352125-传众专利搜索

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发明名称	Arc-welding apparatus
摘要
申请公布号	US1784015(A)	申请公布日期	1930.12.09
申请号	US19290352125	申请日期	1929.04.03
申请人	P. L. & M. COMPANY	发明人	LANE FULTON;MORGAN HARRY J.
分类号	B23K9/073	主分类号	B23K9/073
代理机构		代理人
主权项
地址

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