Handheld tool for breaking up rock
High density perforating system
High energy explosive for seismic methods
High explosive assembly for projecting high velocity long rods
High performance composite shaped charge
High temperature shaped charge perforating apparatus
High velocity jet shaped charge
Hole boring charge assembly
Hollow charge
Hollow charge of a directed explosion effect as well as method f
Hollow charge with detonation wave guide
Hollow charges
Hollow charges with plural conical configurations
Hollow-charge insert for armor-piercing projectile
Housing for joinable cutting charges
Hybrid shaped-charge/kinetic/energy penetrator