Method and apparatus for making welded pipe joints,申请号US19450579296-传众专利搜索

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发明名称	Method and apparatus for making welded pipe joints
摘要
申请公布号	US2448107(A)	申请公布日期	1948.08.31
申请号	US19450579296	申请日期	1945.02.22
申请人	TUBE TURNS, INC.	发明人	MATTIMORE JOHN D.;SMITH FRED C.
分类号	B23K9/035;F16L13/02	主分类号	B23K9/035
代理机构		代理人
主权项
地址

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