Concrete mix containing coal ash and organic plant ash
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United States of America Patent
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Oct 19, 1999
Grant Date -
N/A
app pub date -
May 13, 1998
filing date -
May 13, 1998
priority date (Note) -
Expired
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Abstract
A composition for manufacturing concrete containing cement, coal ash, and organic plant ash, and a process of making such composition.
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