flap door shaft of tap hole of electric furnace,申请号KR20090003178U-传众专利搜索

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发明名称	flap door shaft of tap hole of electric furnace
摘要
申请公布号	KR20100009512(U)	申请公布日期	2010.09.29
申请号	KR20090003178U	申请日期	2009.03.19
申请人		发明人
分类号	C21C5/52;F27B3/19	主分类号	C21C5/52
代理机构		代理人
主权项
地址

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