Report of 23rd China Welding Expo[J]. MW Metal Forming, 2009, (18): 14-15.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Report of 23rd China Welding Expo[J]. MW Metal Forming, 2009, (18): 14-15.
                        
                     | 
                
            
         
        
            
                Report of 23rd China Welding Expo[J]. MW Metal Forming, 2009, (18): 14-15.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Report of 23rd China Welding Expo[J]. MW Metal Forming, 2009, (18): 14-15.
                        
                     |