Apparatus for making welded pipe joints,申请号US19460658978-传众专利搜索

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发明名称	Apparatus for making welded pipe joints
摘要
申请公布号	US2537776(A)	申请公布日期	1951.01.09
申请号	US19460658978	申请日期	1946.04.02
申请人	TUBE TURNS, INC.	发明人	MARKL ARTHUR R. C.
分类号	B23K37/053	主分类号	B23K37/053
代理机构		代理人
主权项
地址

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