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经营范围
发明名称
Improvements in or relating to Refractory Bricks
摘要
申请公布号
GB1192178(A)
申请公布日期
1970.05.20
申请号
GB19660058149
申请日期
1966.12.29
申请人
WEST HUNWICK REFRACTORIES LIMITED
发明人
JOHN GEORGE DUFFY
分类号
主分类号
代理机构
代理人
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