Electric welding machine,申请号US19430473329-传众专利搜索

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发明名称	Electric welding machine
摘要
申请公布号	US2355983(A)	申请公布日期	1944.08.15
申请号	US19430473329	申请日期	1943.01.23
申请人	NATIONAL CYLINDER GAS COMPANY	发明人	LONG RUSSELL E.
分类号	B23K9/133	主分类号	B23K9/133
代理机构		代理人
主权项
地址

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