HOT TOP OPERATION IN VACUUM ARC MELTING METHOD,申请号JP19880203232-传众专利搜索

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发明名称	HOT TOP OPERATION IN VACUUM ARC MELTING METHOD
摘要
申请公布号	JPH0254728(A)	申请公布日期	1990.02.23
申请号	JP19880203232	申请日期	1988.08.17
申请人	DAIDO STEEL CO LTD	发明人	TAKAHASHI HAJIME
分类号	C22B9/20	主分类号	C22B9/20
代理机构		代理人
主权项
地址

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