kw.\*:("MATERIEL MINE")
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The development of continuous surface mining technology for hard materialsSAGNER, R.International symposium on mine planning and equipment selection. 2. 1990, pp 13-36, 24 p.Conference Paper
LE MATERIEL MINIER AU BRESIL1981; ; BRA; RIO DE JANEIRO: CONSULAT GEN. FRANCE; DA. 1981; 120 P.Miscellaneous
