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发明名称
Improvements in or relating to refractory bricks
摘要
申请公布号
GB864878(A)
申请公布日期
1961.04.12
申请号
GB19590004450
申请日期
1959.02.09
申请人
KOPPERS COMPANY, INC.
发明人
分类号
C04B41/50;C04B41/87
主分类号
C04B41/50
代理机构
代理人
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地址
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