METHOD AND APPARATUS FOR VACUUM-DEGASSING MOLTEN STEEL,申请号JP19900265692-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR VACUUM-DEGASSING MOLTEN STEEL
摘要
申请公布号	JPH04143211(A)	申请公布日期	1992.05.18
申请号	JP19900265692	申请日期	1990.10.03
申请人	SUMITOMO METAL IND LTD	发明人	IKENAGA HIROSHI;MIKI TAKASHI
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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