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经营范围
发明名称
STEEL CASTING
摘要
申请公布号
GB1581058(A)
申请公布日期
1980.12.10
申请号
GB19770012842
申请日期
1978.03.23
申请人
ROBSON REFRACTORIES
发明人
分类号
B22D41/46;(IPC1-7):B22D41/08
主分类号
B22D41/46
代理机构
代理人
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地址
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