DB37/T 1921-2021
Geothermal Drilling Procedures (English Version)
- Standard No.
- DB37/T 1921-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Shandong Provincial Standard of the People's Republic of China
- Latest
- DB37/T 1921-2021
- Replace
- DB37/T 1921-2011
DB37/T 1921-2021 history
- 2021 DB37/T 1921-2021 Geothermal Drilling Procedures
- 2011 DB37/T 1921-2011 Geothermal Drilling Technical Regulations
