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886239 Tube drilling system — improved economy in bench drilling and blasting : Naapuri, J M Proc CARE 88 (Conference on Applied Rock Engineering), Newcastle, 6–8 January 1988P159–163. Publ London: IMM, 1988


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
145 KB
Volume
25
Category
Article
ISSN
0148-9062

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