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Role of the tunnelling machine. Conference : 16F, 2R Proc. 1st N. Amer. Rapid Excav. Tunnelling Conf. Chicago, June 1972, AIME, V.2, 1972, P1093–1112


Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
102 KB
Volume
12
Category
Article
ISSN
0148-9062

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