The wrong understanding of welding procedure qualification[J]. MW Metal Forming, 2010, (6): 61-63.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        The wrong understanding of welding procedure qualification[J]. MW Metal Forming, 2010, (6): 61-63.
                        
                     | 
                
            
         
        
            
                The wrong understanding of welding procedure qualification[J]. MW Metal Forming, 2010, (6): 61-63.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        The wrong understanding of welding procedure qualification[J]. MW Metal Forming, 2010, (6): 61-63.
                        
                     |