Top 10 countries for patent applications in 2021
    
        
    
      
    
      
    
        
          
          chinadaily.com.cn |
          Updated: 2022-06-28 06:40
          
          
          
          
        


        
      
    
      
    
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    No 4 South Korea
     

     
  
 
    
   A woman wears a mask inside a glass-covered bus stop in which a thermal imaging camera, UV sterilizer, air conditioner, CCTV and digital signage are set, to avoid the spread of COVID-19 in Seoul, South Korea, on Aug 14, 2020. [Photo/Agencies] 
 
     

     

        
    

        
        
      
    
        
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