Process and apparatus to fill boreholes with pumpable slurry
Process and device for triggering an avalanche
Process for producing an underground zone of fragmented and...
Programmable electronic time delay initiator
Propagation device and initiation system for low energy fuses
Protective device for a field apparatus
Protective device for vehicular passengers incorporating...
Pumpable stemming
Pumping apparatus
Pyrotechnic device with ignition delay
Pyrotechnic devices
Pyrotechnical firing installation
Reduced energy blasting agent and method
Reinforced explosive shock tube
Reliable propagation of ignition in perforation systems
Remote detonation of explosive charges
Remote explosive detonation system
Remote firing device with diverse initiators
Remote firing system
Remote initiator for the remote initiation of explosive charges