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      MB3310 GB bag wear tester (Double roll)
      
                    
      
                        
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      Applicable scope
      
                            
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	This test method for testing rod box, with wheels with a pull rod in a bag loaded down with the overall structure of the wheel wear proof degree and walking box without damage and deformation (also applies to bags at the bottom of the four wheels test).

      
                    
      
                    
      
                        QB/T 2920 2007
                    
      
                    
      
                        
                    
      
                    
      
                        
                    
      
                
      
            
      
        
      
    
      

      


  
      



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