2023-2-9 3.237.29.69
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Code of China
Chinese National Standard List: Technical management

DB31/T 1253-2020 The technical specification of energy-saving for plate-tube heat exchanger 
  Issued on: 2020-11-13   Price(USD): 165.0
DB31/ 742-2020  
  Issued on: 2020-03-05   Price(USD): 165.0
DB31/ 674-2020 The norm of energy consumption for per unit product of tyre 
  Issued on: 2020-10-30   Price(USD): 165.0
DB31/ 506-2020 The norm of energy consumption per unit product of wafer fabrication in integrated circuits 
  Issued on: 2020-09-25   Price(USD): 165.0
DB31/ 627-2020 The norm of energy consumption per unit products of dyeing and printing cloth 
  Issued on: 2020-09-25   Price(USD): 225.0
DB31/T 1246-2020 Evaluating guide for resource conserving government agencies 
  Issued on: 2020-09-25   Price(USD): 375.0
DB31/T 595-2021 Energy consumption index unit product for cold store 
  Issued on:   Price(USD): 165.0
DB31/ 590-2012 The norm of energy consumption per unit product of wrought aluminium and aluminium alloy ingot for casting 
  Issued on: 2012-07-09   Price(USD): 225.0
DB31/ 652-2020 The norm of energy consumption of data center 
  Issued on: 2020-08-17   Price(USD): 165.0
DB31/ 720-2020  
  Issued on: 2020-03-05   Price(USD): 165.0
DB31/T 204-2021 Economical operation of cooling tower and the system 
  Issued on: 2021-07-27   Price(USD): 165.0
DB31/T 25-2020 Energy saving monitoring and economical operation of heat-treatment electric heating equipment 
  Issued on: 2020-03-05   Price(USD): 165.0
DB31/ 712-2020 The norm of energy consumption per unit product for ready-mixed concrete 
  Issued on: 2020-10-30   Price(USD): 105.0
DB31/T 1216-2020  
  Issued on: 2020-03-25   Price(USD): 255.0
DB31/ 700-2020  
  Issued on: 2020-03-05   Price(USD): 105.0
DB31/T 596-2021 The technical management codes of proper ventilation in metro 
  Issued on: 2021-07-27   Price(USD): 165.0
DB31/T 1219-2020  
  Issued on: 2020-03-25   Price(USD): 165.0
DB31/T 656-2021 Evaluation index of energy saving opera;tion for aluminum and its alloy fuel melted stoves 
  Issued on: 2021-07-27   Price(USD): 105.0
DB31/ 736-2020 The norm of energy consumption per unit quantity of gypsum plasterboard 
  Issued on: 2020-10-30   Price(USD): 165.0
DB31/T 1146.4-2021 Technical specification for testing performance of electrical energy storage system in smart grid--Part: Photovoltaic power smoothing application 
  Issued on:   Price(USD):
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