JB/T 7221-2017
Centrifugal fans for HVAC (English Version)
- Standard No.
- JB/T 7221-2017
- Language
- Chinese, Available in English version
- Release Date
- 2017
- Published By
- 工业和信息化部/国家能源局
- Latest
- JB/T 7221-2017
- Replace
- JB/T 7221-1994
JB/T 7221-2017 history
- 2017 JB/T 7221-2017 Centrifugal fans for HVAC
- 1994 JB/T 7221-1994 Double-inlet centrifugal fan for unitary air-conditioning unit