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经营范围
发明名称
CEMENT COMPOSITION
摘要
申请公布号
GB8724184(D0)
申请公布日期
1987.11.18
申请号
GB19870024184
申请日期
1987.10.15
申请人
MAJUMDAR, A J;SINGH, B
发明人
分类号
C04B
主分类号
C04B
代理机构
代理人
主权项
地址
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