| 发明名称 |
Fly ash-based cement |
| 摘要 |
A cement composition comprising a high calcium-content fly ash and calcium sulfate, and mortar and concrete compositions containing the cement.
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| 申请公布号 |
US4256504(A) |
申请公布日期 |
1981.03.17 |
| 申请号 |
US19790085452 |
申请日期 |
1979.10.16 |
| 申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE INTERIOR |
发明人 |
DUNSTAN, JR., EDWIN R. |
| 分类号 |
C04B7/26;C04B28/14;(IPC1-7):C04B11/10 |
主分类号 |
C04B7/26 |
| 代理机构 |
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