Straight line welding,申请号US19380228223-传众专利搜索

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发明名称	Straight line welding
摘要
申请公布号	US2205931(A)	申请公布日期	1940.06.25
申请号	US19380228223	申请日期	1938.09.02
申请人	PFANSTIEHL CHEMICAL COMPANY	发明人	PFANSTIEHL CARL
分类号	B23K11/00	主分类号	B23K11/00
代理机构		代理人
主权项
地址

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