Earth fracturing apparatus
Earth strata fracturing method
Efficient exploding foil initiator and process for making same
EFI detonator initiation system and method
Ejectable fuze
Ejection head with active elements for rockets
Ejector motor braking system
Elecro-mechanical base element fuze
Electric actuated explosion detonator
Electric blasting device using aluminum foil
Electric circuit for an electrically dischargeable primer
Electric circuit for firing a detonator
Electric coupling
Electric coupling
Electric delay detonator
Electric detonating fuse assembly
Electric detonator
Electric detonator
Electric detonator and lead connector assembly
Electric detonator and lead connector assembly