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发明名称
CONCRETE SURFACE AIR VOID REDUCTION ADMIXTURE
摘要
申请公布号
GB9221776(D0)
申请公布日期
1992.12.02
申请号
GB19920021776
申请日期
1992.10.16
申请人
W R GRACE & CO -CONN
发明人
分类号
C04B28/02;C04B24/38
主分类号
C04B28/02
代理机构
代理人
主权项
地址
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