Inflatable wand for loading a mining borehole
Loading of boreholes with explosive
Method and apparatus for charging waterlogged boreholes with exp
Method and apparatus for controlled small-charge blasting by pre
Method and apparatus for controlled small-charge blasting of har
Method and apparatus for extended time delay of the detonation o
Method and apparatus for perforating and fracturing in a borehol
Method and apparatus for sleeving a borehole
Method and device for introduction of explosives into drill hole
Method for remote positioning of explosive charges in mining voi
Method of blasting
Method of blasting using air tubes charged in a blasthole
Method of breaking slabs and explosive shock transmitting and mo
Method of controlled blasting
Method of stemming a blast hole
Methods and apparatus for loading a borehole with explosives
Methods of and containers for igniting explosives
Methods of blasting using nitrogen-free explosives
Mobile platform for the delivery of bulk explosive
Shaped-charge with simultaneous multi-point initiation of explos