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Permissible single-shot blasting units
How leakage of current from an electric shot-firing circuit causes misfires
Permissible blasting units
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Published Year
1920-1929 (1)
1930-1939 (1)
1940-1949 (1)
Subject
Blasting (3) *
Electricity in mining (1)
Author
Hooker, A. B. (3) *
Ilsley, L. C. (3)
Zellers, Donald Henry, (1)
