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发明名称
ESTRUCTURA REFRACTARIA ADAPTADA PARA SER UTILIZADA COMO BOCA DE DESCARGA DE RECIPIENTES METALURGICOS
摘要
申请公布号
AR211947(A1)
申请公布日期
1978.04.14
申请号
AR19770266275
申请日期
1977.01.21
申请人
DIDIER WERKE AG
发明人
分类号
B22D37/00;B22D;B22D39/00;B22D41/08;B22D41/28;B22D41/30;B22D41/42;(IPC1-7):H01H81/04
主分类号
B22D37/00
代理机构
代理人
主权项
地址
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