"Mix design " CNS Standards List| Cemented Carbide | Method test | Integrated services | Method Performance | Methods Chemical | Information technology | Taper Sleeve | Children s |  | 
          
  
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			CNS 12891 
			            2022 Edition  General requirements of Mix design for concrete 混凝土配比設計一般要求  | 
           
			
			 
			
		
			
			
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			CNS 12891 
			            2019 Edition  Mix design criteria of portland cement concrete 混凝土配比設計準則  | 
           
			
			 
			
		
			
			
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