Improvements in or relating to methods and machines for butt-welding tubes or bars to metal pieces,申请号GB19610019509-传众专利搜索

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发明名称	Improvements in or relating to methods and machines for butt-welding tubes or bars to metal pieces
摘要
申请公布号	GB1029835(A)	申请公布日期	1966.05.18
申请号	GB19610019509	申请日期	1961.05.30
申请人	RICHARDSONS, WESTGARTH & CO. LIMITED	发明人	DORRAT JAMES ANDREW
分类号	B23K11/04	主分类号	B23K11/04
代理机构		代理人
主权项
地址

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