Improvements in or relating to holders for electrodes of carbon or other material adapted for use in electric arc welding,申请号GB19470004569-传众专利搜索

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发明名称	Improvements in or relating to holders for electrodes of carbon or other material adapted for use in electric arc welding
摘要
申请公布号	GB621314(A)	申请公布日期	1949.04.07
申请号	GB19470004569	申请日期	1947.01.17
申请人	ROBERT ARTHUR COPELAND	发明人
分类号	B23K9/28	主分类号	B23K9/28
代理机构		代理人
主权项
地址

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