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        MB0543 office chair pull back impact test machine 
        
                    
        
                        
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        Applicable scope
        
                            
        Test principles and standards
        
                            
        Instrument characteristics
        
                            
        Configuration list
        
                
        
                
        
                    
        
                        
        
	This test machine fixed the casters of office chairs, and repeated backrest movements on the backs of office chairs with certain strength, direction, stroke, speed and prescribed times. Then we examined whether the parts were loose or fastened.  

        
                    
        
                    
        
                        
        
	BFM