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Blasting in coal headings.—Blasting, size distribution and wetting of coal are discussed. The cost per ton relative to stemming for simultaneous and millisecond blasting are considered : Hobler, M 4F. Colliery Guard, V222, N4, Apr. 1974, P114–117


Book ID
103557490
Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
122 KB
Volume
11
Category
Article
ISSN
0148-9062

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