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Practical results of cutting harder rock with picks in United Kingdom coal mine tunnels : Morris, A H In: Tunneling '85 (paper to the conference, Brighton 10–15 March 1985) P173–177. Publ London: IMM, 1985


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
110 KB
Volume
23
Category
Article
ISSN
0148-9062

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