The discussion and recommendations of welding procedure qualification standards[J]. MW Metal Forming, 2009, (6): 62-63.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        The discussion and recommendations of welding procedure qualification standards[J]. MW Metal Forming, 2009, (6): 62-63.
                        
                     | 
                
            
         
        
            
                The discussion and recommendations of welding procedure qualification standards[J]. MW Metal Forming, 2009, (6): 62-63.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        The discussion and recommendations of welding procedure qualification standards[J]. MW Metal Forming, 2009, (6): 62-63.
                        
                     |