Hot-top for upper part of ingot mould,申请号IT19810067690-传众专利搜索

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发明名称	Hot-top for upper part of ingot mould
摘要
申请公布号	IT1221069(B)	申请公布日期	1990.06.21
申请号	IT19810067690	申请日期	1981.05.22
申请人	INTERNATIONAL FERROX CO. ESTABLISHMENT	发明人	VALLAK ENN;VALLAK HANNES
分类号	B22D;B22D7/10;(IPC1-7):B22D/	主分类号	B22D
代理机构		代理人
主权项
地址

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