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Experimental Study on Bolting-Grouting Techniques for Reinforcing Soft Rock Roadways in Upper Coal Seam Over-the-Roadway Extraction
Experimental Study on Bolting-Grouting Techniques for Reinforcing Soft Rock Roadways in Upper Coal Seam Over-the-Roadway Extraction
Experimental Study on Bolting-Grouting Techniques for Reinforcing Soft Rock Roadways in Upper Coal Seam Over-the-Roadway Extraction
Ma, W.-d. (Autor:in) / Zhao, H.-y. (Autor:in) / Han, L.-j. (Autor:in)
01.01.2001
4 pages
Aufsatz (Zeitschrift)
Unbekannt
DDC:
622
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