DEVICE FOR HYDRAULIC PULSE ACTION ON ROCK MASS

• Main Authors: POTURAEV VALENTIN N,SU, GORYAGIN LEONID F,SU, MINEEV SERGEJ P,SU, BALINCHENKO IOSIF I,SU
• Format: Patent
• Language: English; Russian
• Published: 23.02.1992
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS