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New roadheader-type continuous shaft sinking systems : Kogelmann, W J Proc 1989 Rapid Excavation and Tunnelling Conference, Los Angeles, 11–14 June 1989P480–500. Publ Littleton: SME, 1989


Book ID
100035075
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
118 KB
Volume
29
Category
Article
ISSN
0148-9062

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