| 发明名称 |
Coal beneficiating process |
| 摘要 |
A coal beneficiating process for the efficient production of high quality coal at higher yields through a concept of stage separation which requires a minimum of crushing.
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| 申请公布号 |
US3908912(A) |
申请公布日期 |
1975.09.30 |
| 申请号 |
US19740506822 |
申请日期 |
1974.09.17 |
| 申请人 |
BETHLEHEM STEEL CORPORATION |
发明人 |
IRONS, STANTON D.;MILLER, FRANCIS G. |
| 分类号 |
B03B9/00;(IPC1-7):B02C21/00 |
主分类号 |
B03B9/00 |
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