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发明名称
HYDRAULIC CEMENT MIX AND ADDITIVE
摘要
申请公布号
CA813950(A)
申请公布日期
1969.05.27
申请号
CAD813950
申请日期
申请人
MARTIN-MARIETTA CORPORATION
发明人
JAMES A. RAY;RICHARD B. PEPPLER;THOMAS M. KELLY
分类号
主分类号
代理机构
代理人
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