Improvements in or relating to the manufacture of welded pipes,申请号GB19620043919-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of welded pipes
摘要
申请公布号	GB960555(A)	申请公布日期	1964.06.10
申请号	GB19620043919	申请日期	1962.11.20
申请人	A. B. BRODERNA HEDLUND	发明人
分类号	B21C37/08;B23K9/025	主分类号	B21C37/08
代理机构		代理人
主权项
地址

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