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发明名称
摘要
申请公布号	FR2444522(B1)	申请公布日期	1983.04.29
申请号	FR19790031170	申请日期	1979.12.19
申请人	SANAC SPA REFRATTARI ARGILLE CAO	发明人
分类号	B22D41/40;(IPC1-7):B22D41/08	主分类号	B22D41/40
代理机构		代理人
主权项
地址

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