Improvement of heat treatment process for high manganese steel railway frog[J]. MW Metal Forming, 2007, (7): 52-54.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Improvement of heat treatment process for high manganese steel railway frog[J]. MW Metal Forming, 2007, (7): 52-54.
                        
                     | 
                
            
         
        
            
                Improvement of heat treatment process for high manganese steel railway frog[J]. MW Metal Forming, 2007, (7): 52-54.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Improvement of heat treatment process for high manganese steel railway frog[J]. MW Metal Forming, 2007, (7): 52-54.
                        
                     |