Top 10 powerhouses for patent applications
    
        
    
      
    
      
    
        
          
          chinadaily.com.cn |
          Updated: 2021-01-06 06:40
          
          
          
          
        


        
      
    
      
    
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    No 3 Japan
     

     
  
 
    
   A boy in a stroller reacts to Boston Dynamics' four-legged robot Spot during its demonstration at the Tokyo Robot Collection on Sept 18, 2020. [Photo/Agencies] 
 
     

     

        
    

        
        
      
    
        
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