Improvement of free forging for valve cone body[J]. MW Metal Forming, 2009, (21): 46-47.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Improvement of free forging for valve cone body[J]. MW Metal Forming, 2009, (21): 46-47.
                        
                     | 
                
            
         
        
            
                Improvement of free forging for valve cone body[J]. MW Metal Forming, 2009, (21): 46-47.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Improvement of free forging for valve cone body[J]. MW Metal Forming, 2009, (21): 46-47.
                        
                     |