DB41/ 814-2013
Coal mine in-use refuge chamber safety inspection and inspection code (English Version)
- Standard No.
- DB41/ 814-2013
- Language
- Chinese, Available in English version
- Release Date
- 2013
- Published By
- Henan Provincial Standard of the People's Republic of China
- Status
- 2020-03
- Latest
- DB41/ 814-2013
DB41/ 814-2013 history
- 2013 DB41/ 814-2013 Coal mine in-use refuge chamber safety inspection and inspection code
