Welding wire for carbon electrode arc welding,申请号US19370129922-传众专利搜索

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发明名称	Welding wire for carbon electrode arc welding
摘要
申请公布号	US2140237(A)	申请公布日期	1938.12.13
申请号	US19370129922	申请日期	1937.03.09
申请人	FRANZ LEITNER	发明人	LEITNER FRANZ
分类号	B23K35/04;B23K35/30	主分类号	B23K35/04
代理机构		代理人
主权项
地址

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