METHOD FOR VACUUM-REFINING MOLTEN METAL FOR SMALL LOT,申请号JP19890149415-传众专利搜索

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发明名称	METHOD FOR VACUUM-REFINING MOLTEN METAL FOR SMALL LOT
摘要
申请公布号	JPH0317235(A)	申请公布日期	1991.01.25
申请号	JP19890149415	申请日期	1989.06.14
申请人	NKK CORP	发明人	TAKAOKA TOSHIO;KIKUCHI YOSHITERU;MATSUNO EIJU;KAWAI YOSHIHIKO;TACHIBANA KATSUHIKO
分类号	C22B9/04	主分类号	C22B9/04
代理机构		代理人
主权项
地址

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