CALCIUM ADDING METHOD INTO MOLTEN STEEL UNDER VACUUM DEGASSING,申请号JP19860144240-传众专利搜索

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发明名称	CALCIUM ADDING METHOD INTO MOLTEN STEEL UNDER VACUUM DEGASSING
摘要
申请公布号	JPS63417(A)	申请公布日期	1988.01.05
申请号	JP19860144240	申请日期	1986.06.20
申请人	NIPPON STEEL CORP	发明人	URABE NORIYUKI;ONOYAMA SHUHEI
分类号	C21C7/10	主分类号	C21C7/10
代理机构		代理人
主权项
地址

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