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发明名称
Method of mixing cement composition
摘要
申请公布号
US2560871(A)
申请公布日期
1951.07.17
申请号
US19480023876
申请日期
1948.04.28
申请人
HIGGINS, INC.
发明人
JOHNSON GEORGE H.;HIGGINS ROLAND C.
分类号
C04B22/04;C04B28/04
主分类号
C04B22/04
代理机构
代理人
主权项
地址
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