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发明名称
CEMENT COMPOSITIONS
摘要
申请公布号
GB8804111(D0)
申请公布日期
1988.03.23
申请号
GB19880004111
申请日期
1988.02.23
申请人
MAJUMDAR A J;SINGH B
发明人
分类号
C04B28/06
主分类号
C04B28/06
代理机构
代理人
主权项
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