| SE7310504A
            
            
              SE375580B
                (en:Method) | 1973-07-30 | 1973-07-30 |  | 
        
          | US05/474,221
            
            
              US3996751A
                (en) | 1973-07-30 | 1974-05-29 | Method of blasting and reinforcing rock cavities | 
        
          | NO742195A
            
            
              NO132968C
                (en:Method) | 1973-07-30 | 1974-06-17 |  | 
        
          | FR7420876A
            
            
              FR2239561B1
                (en:Method) | 1973-07-30 | 1974-06-17 |  | 
        
          | GB3073774A
            
            
              GB1444068A
                (en) | 1973-07-30 | 1974-07-11 | Method of blasting and reinforcing rock cavities | 
        
          | CA204,596A
            
            
              CA1008678A
                (en) | 1973-07-30 | 1974-07-11 | Method of blasting and reinforcing rock cavities | 
        
          | IL45242A
            
            
              IL45242A
                (en) | 1973-07-30 | 1974-07-11 | Method of blasting and reinforcing rock cavities | 
        
          | JP49080113A
            
            
              JPS5117805B2
                (en:Method) | 1973-07-30 | 1974-07-12 |  | 
        
          | AT584074A
            
            
              AT343169B
                (de) | 1973-07-30 | 1974-07-15 | Verfahren zur herstellung von unterirdischen hohlraumen | 
        
          | DE2434200A
            
            
              DE2434200C3
                (de) | 1973-07-30 | 1974-07-16 | Verfahren zur Herstellung von unterirdischen Hohlräumen | 
        
          | FI2172/74A
            
            
              FI58387C
                (fi) | 1973-07-30 | 1974-07-16 | Saett att framstaella underjordiska bergrum | 
        
          | CH990474A
            
            
              CH589781A5
                (en:Method) | 1973-07-30 | 1974-07-18 |  | 
        
          | BR6028/74A
            
            
              BR7406028D0
                (pt) | 1973-07-30 | 1974-07-22 | Processo para fazer explodir e reforcar cavidades rochosa | 
        
          | CS5255A
            
            
              CS171193B2
                (en:Method) | 1973-07-30 | 1974-07-23 |  | 
        
          | AR254857A
            
            
              AR210244A1
                (es) | 1973-07-30 | 1974-07-23 | Procedimiento de voladura y refuerzo de cavidades en roca | 
        
          | TR18178A
            
            
              TR18178A
                (tr) | 1973-07-30 | 1974-07-25 | Kaya kovuklarinni patlatilmasi ve takviye edilmesi usulue | 
        
          | DD180159A
            
            
              DD115936A5
                (en:Method) | 1973-07-30 | 1974-07-26 |  | 
        
          | ES428693A
            
            
              ES428693A1
                (es) | 1973-07-30 | 1974-07-27 | Un metodo para tratar con chorro de arena y reforzar cavi- dades practicadas en roca. | 
        
          | EG304/74A
            
            
              EG14472A
                (en) | 1973-07-30 | 1974-07-29 | Method of blasting and reinforcing rock cavities | 
        
          | YU2113/74A
            
            
              YU37009B
                (en) | 1973-07-30 | 1974-07-30 | Safety support construction around a pit inside a wall | 
        
          | PL1974173118A
            
            
              PL93120B1
                (en:Method) | 1973-07-30 | 1974-07-30 |  | 
        
          | SU742049661A
            
            
              SU912053A3
                (ru) | 1973-07-30 | 1974-07-30 | Способ сооружени подземной выработки большого сечени | 
        
          | HK143/77A
            
            
              HK14377A
                (en) | 1973-07-30 | 1977-03-24 | Method of blasting and reinforcing rock cavities |