A design of series of punching die which simple and rapid changed[J]. MW Metal Forming, 2010, (15): 56-57.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        A design of series of punching die which simple and rapid changed[J]. MW Metal Forming, 2010, (15): 56-57.
                        
                     | 
                
            
         
        
            
                A design of series of punching die which simple and rapid changed[J]. MW Metal Forming, 2010, (15): 56-57.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        A design of series of punching die which simple and rapid changed[J]. MW Metal Forming, 2010, (15): 56-57.
                        
                     |