Improvements in or relating to electrical arc welding,申请号GB19490018326-传众专利搜索

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发明名称	Improvements in or relating to electrical arc welding
摘要
申请公布号	GB674159(A)	申请公布日期	1952.06.18
申请号	GB19490018326	申请日期	1949.07.11
申请人	WILLIAM ARNOLD APPLETON;ARC MANUFACTURING COMPANY LIMITED	发明人
分类号	B23K9/067	主分类号	B23K9/067
代理机构		代理人
主权项
地址

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