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Special multiple-shot blasting units
Recent developments in spark ignition
Minimum ignition-energy concept and its application to safety engineering
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Published Year
1930-1939 (1)
1950-1959 (1)
1960-1969 (1)
Subject
Gas--Electric ignition (3) *
Mine explosions (1)
Author
Litchfield, E. L. (2)
Blanc, M. V. (1)
Coggeshall, E. J. (1)
Hooker, A. B. (1)
