Gas-shielded arc welding torch,申请号US19480043365-传众专利搜索

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发明名称	Gas-shielded arc welding torch
摘要
申请公布号	US2512707(A)	申请公布日期	1950.06.27
申请号	US19480043365	申请日期	1948.08.10
申请人	AIR REDUCTION COMPANY, INCORPORATED	发明人	ANDERSON NELSON E.
分类号	B23K9/29	主分类号	B23K9/29
代理机构		代理人
主权项
地址

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