Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
DB31/T 720-2020 The norm of energy consumption per unit products of copper-all0yrod and bar, wire $225.00 via email in 1~3 business day valid
DB31/T 721-2020 The norm of energy consumption per unit product of laminated glass $150.00 via email in 1~3 business day valid
DB31/T 722-2019 Norm of energy consumption per unit product of commercial fly ash $150.00 via email in 1~3 business day valid
DB31/T 723-2019 valid
DB31/T 724-2019 Norm of energy consumption per unit product of polypropylene (PP-R)pipes for hot and cold water $150.00 via email in 1~3 business day valid
DB31/T 725-2013 valid
DB31/T 726-2013 Management standard for safety and energy-saving operation of smoke and heat exhaust fan $120.00 via email in 1~3 business day abolished
DB31/T 727-2013 Energy-saving specifications for roof fan system in industrial enterprises $120.00 via email in 1~3 business day valid
DB31/T 728-2013 Standard of economical operation management for food cold storage $120.00 via email in 1~3 business day superseded
DB31/T 728-2023 Requirements of economics operation management for food cold storage $150.00 via email in 1~3 business day valid
DB31/T 729-2013 Specifications of technical renovation for energy-saving and increase of air flow of large cooling tower valid
DB31/T 73-1999 superseded
DB31/T 73-2020 Operation management and energy saving monitoring of cement grinding system $165.00 via email in 1~3 business day valid
DB31/T 730-2020 Norm of energy consumption per unit product of parquet $120.00 via email in 1~3 business day valid
DB31/T 731-2020 The norm of energy consumption per unit product for compensated gross ton for ship $150.00 via email in 1~3 business day valid
DB31/T 732-2013 $165.00 via email in 1~3 business day valid
DB31/T 733-2013 valid
DB31/T 734-2020 The norm of energy consumption per unit products of starch sugar $135.00 via email in 1~3 business day valid
DB31/T 735-2013 The norm of energy consumption per unit products of heating steam $150.00 via email in 1~3 business day valid
DB31/T 735-2021 The norm of energy consumption per unit products of heating steam $225.00 via email in 1~3 business day valid
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