Arc-welding electrode,申请号US19460691653-传众专利搜索

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发明名称	Arc-welding electrode
摘要
申请公布号	US2440941(A)	申请公布日期	1948.05.04
申请号	US19460691653	申请日期	1946.08.19
申请人	AMPCO METAL, INC.	发明人	GARRIOTT FRANCIS E.
分类号	B23K35/04;B23K35/36	主分类号	B23K35/04
代理机构		代理人
主权项
地址

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