DB21/T 2970-2018
General Technical Specifications for Carbon Dioxide (R744) Air Source Heat Pumps (English Version)

Standard No.

DB21/T 2970-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

Liaoning Provincial Standard of the People's Republic of China

Latest

DB21/T 2970-2018

DB21/T 2970-2018 history

• 2018 DB21/T 2970-2018 General Technical Specifications for Carbon Dioxide (R744) Air Source Heat Pumps