PRODUCTION METHOD OF STEEL INGOT BY VACUUM ARC MELTING METHOD,申请号JP19760031268-传众专利搜索

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发明名称	PRODUCTION METHOD OF STEEL INGOT BY VACUUM ARC MELTING METHOD
摘要
申请公布号	JPS52114524(A)	申请公布日期	1977.09.26
申请号	JP19760031268	申请日期	1976.03.24
申请人	HITACHI LTD	发明人	KADOSE MASUO
分类号	B22D7/02;B22D7/04;B22D27/02;B22D27/20	主分类号	B22D7/02
代理机构		代理人
主权项
地址

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