| "Preamble General " CNS Standards List| Oil ylang | Determination Metal | Chemical Reagent | Fly ash | Junction Box | Security Current | Buttress Thread | Calcium chloride | | 
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 | CNS 15517 
			            2017 Edition Preamble and General Structure of the Series Standards for the Integrated Services Digital Network (ISDN) 普通預拌乾混水泥砂漿料 |   | 
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