Application of fast(depth)Brinell hardness machine in drill pipe joints production[J]. MW Metal Forming, 2010, (21): 54-56.
            
            
                
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                            Citation:
                        
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                        Application of fast(depth)Brinell hardness machine in drill pipe joints production[J]. MW Metal Forming, 2010, (21): 54-56.
                        
                     | 
                
            
         
        
            
                Application of fast(depth)Brinell hardness machine in drill pipe joints production[J]. MW Metal Forming, 2010, (21): 54-56.
            
            
                
                    | 
                        
                            Citation:
                        
                     | 
                    
                        Application of fast(depth)Brinell hardness machine in drill pipe joints production[J]. MW Metal Forming, 2010, (21): 54-56.
                        
                     |