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经营范围
发明名称
ESTRUCTURA REFRACTARIA
摘要
申请公布号
AR220977(A1)
申请公布日期
1980.12.15
申请号
AR19800280636
申请日期
1980.04.10
申请人
GENERAL REFRACTORIES CO
发明人
分类号
F27D1/08;F27B3/10;F27B3/16;F27D1/06;(IPC1-7):F27D1/08
主分类号
F27D1/08
代理机构
代理人
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地址
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