Debris free plug assembly for heat exchange tubes
Debris retention perforating apparatus and method for use of...
Deforming charge assembly and method of making same
Delay detonator
Delay initiator for blasting
Delay ordnance system
Delay ordnance system
Delivery of emulsion explosives
Demolition charge having multi-primed initiation system
Detonating energy transmittal device
Detonation arrestor device for bulk explosive materials transfer
Detonation coupling device
Detonation system for detonating explosive charges in well
Detonator and a charge adapted thereto
Detonator apparatus for liquid explosive compositions
Detonator device and method for making same
Detonator primer capsule
Device for cladding tubes by means of an explosive process
Device for controlling bird strike hazards
Device for destroying water mines and mine-sweeping method