Combined hole-making in soil by impact devices with an annular working organ

Author: Tishchenko I.   Smolyanitskii B.   Gileta V.  

Publisher: MAIK Nauka/Interperiodica

ISSN: 1062-7391

Source: Journal of Mining Science, Vol.42, Iss.6, 2006-11, pp. : 600-609

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Abstract