GB/T 12723-1991 General principles of stipulation of energy consumption norm for unit product
GB/T 2589-1990 General principles for calculation of total production energy consumption
DB31/T 230-1999 history
2000DB31/T 230-1999 Energy consumption quotas and calculation rules for products in the daily chemical industry
1970DB31/T 583-1995 Energy consumption quotas and calculation rules for products in the daily chemical industry
DB31/T 230-1999 Energy consumption quotas and calculation rules for products in the daily chemical industry was changed to DB31/T 583-1995 Energy consumption quotas and calculation rules for products in the daily chemical industry.