Exploring cultural relics conservation and restoration at the National Museum of China
    
        
    
      
    
      
    
        
          
          chinadaily.com.cn |
          Updated: 2019-12-06 17:34
          
          
          
          
        


        
      
    
      
    
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   Conservator Zhang Ran is reading the portable X-ray fluorescence spectrum data of the iron sword of the Han Dynasty on Dec 3, 2019. [Photo by Jiang Dong/China Daily] 
 
     

     

        
    

        
        
      
    
        
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