Process and apparatus for automatically positioning an explosive
Process and device for triggering an avalanche
Process for producing a hollow charge with a metallic lining
Process for the impact healing of inner discontinuities or defec
Process for use in blasting in situ retorts and the like
Process for visualization of a blast wave
Process for visualization of a detonation wave
Projectile-forming charge
Projectile-generating explosive access tool
Propellant for fracturing wells
Propellant igniter assembly having a multi-zone booster charge
Pyrotechnic device
Pyrotechnic device for producing material jets at very high spee
Pyrotechnic device with metal diaphragm and metal insert
Pyrotechnical head having improved dispersal means