Improvements in or relating to electric arc furnaces operating under vacuum,申请号GB19580018668-传众专利搜索

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发明名称	Improvements in or relating to electric arc furnaces operating under vacuum
摘要
申请公布号	GB883015(A)	申请公布日期	1961.11.22
申请号	GB19580018668	申请日期	1958.06.11
申请人	W. C. HERAEUS G.M.B.H.	发明人
分类号	F27D11/08	主分类号	F27D11/08
代理机构		代理人
主权项
地址

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