DB31/T 668.1-2012 Review and Calculation Method of Energy Conservation Energy Savings for Energy-Saving Technical Transformation and Contract Energy Management Projects Part 1 General Rules (English Version)
Shanghai Provincial Standard of the People's Republic of China
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2012DB31/T 668.1-2012 Review and Calculation Method of Energy Conservation Energy Savings for Energy-Saving Technical Transformation and Contract Energy Management Projects Part 1 General Rules