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| 2005, Vol. 8(1-2): 133-137 DOI: | ||
| Development of experimental apparatus about reverse circulation bit | ||
| REN Hong YIN Kun WANG Qing-yan HAO Shu-qing | ||
| College of Construction Engineering, Jilin University, Changchun 130026, China | ||
| Received null Revised null | ||
| Supporting info | ||
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