RU2098748C1
|
|
Device for attenuation of shock waves at underwater blasts
|
RU2095577C1
|
|
Method of suppressing air shock wave
|
RU2087846C1
|
|
Arrangement for suppression of shock waves at underwater explosions
|
RU2100774C1
|
|
Device for localization of explosive destruction area
|
RU2087847C1
|
|
Method of suppression of shock wave at underwater explosion and arrangement for its realization
|
RU2061879C1
|
|
Water gate
|
RU2030708C1
|
|
Method of suppression of air shock waves of blasting operations
|
RU2026989C1
|
|
Method for rock disintegration
|
RU2032077C1
|
|
Method and device for excavation of mine workings
|
RU2027018C1
|
|
Method for damping air shock waves
|
RU2039251C1
|
|
Charge of impact initiation
|
RU2005989C1
|
|
Explosive charge of impact initiation
|
RU2001284C1
|
|
Method of generating inert medium in mine workings
|
RU2004824C1
|
|
Method for damping air shock waves in blasting operations in mine workings
|
RU2010980C1
|
|
Water barrier
|
SU1728498A1
|
|
Water barrier
|
SU870302A1
|
|
Coal conveying method
|
SU796461A1
|
|
Method of creating neutral medium in blind working
|
SU659886A1
|
|
Method of charging blast holes with explosive
|
SU608002A1
|
|
Method of building up inert medium in blind workings
|