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Cushioned blasting.
Stemming in metal mines :progress report 7
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Published Year
1940-1949 (2) *
Subject
Explosives--Testing (2) *
Blasting (1)
Firedamp (1)
Mines and mineral resources (1)
Author
Agnew, Wing, G. (1)
Denues, A. R. T. (1)
