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Support of station brows in the no. 1 sub-vertical main and ventilation shafts on Oryx mine : Brentley, K R Proc SANGROM Symposium on Impact of Rock Engineering on Mining and Tunnelling Economics, Welkom, 7–8 October 1991P9–19. Publ SANGORM: Orange Grove, 1991

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 220 KB
Volume: 29
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(92)91903-i

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