Application of limestone moist molding sand and riser head of heat preservation in manufacture of steel castings[J]. MW Metal Forming, 2006, (11): 62-63.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Application of limestone moist molding sand and riser head of heat preservation in manufacture of steel castings[J]. MW Metal Forming, 2006, (11): 62-63.
                        
                     | 
                
            
         
        
            
                Application of limestone moist molding sand and riser head of heat preservation in manufacture of steel castings[J]. MW Metal Forming, 2006, (11): 62-63.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Application of limestone moist molding sand and riser head of heat preservation in manufacture of steel castings[J]. MW Metal Forming, 2006, (11): 62-63.
                        
                     |