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2 results returnedDesign criteria for sheathed permissible explosive charge for open shooting in flammable atmospheres
Firing delay characteristics of instantaneous and seismic detonators
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Subject
- Blasting--Safety measures (2) *
- Coal mines and mining--Fires and fire prevention (1)
- Coal mines and mining--Safety measures (1)
- Electric detonators--Safety measures (1)
- Explosives--Testing (1)
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