DB21/T 1564.14-2007
Geotechnical Investigation Technical Regulations Drilling, Well Exploration, and Trench Exploration Operational Regulations (English Version)
- Standard No.
- DB21/T 1564.14-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- Liaoning Provincial Standard of the People's Republic of China
- Latest
- DB21/T 1564.14-2007
DB21/T 1564.14-2007 history
- 2007 DB21/T 1564.14-2007 Geotechnical Investigation Technical Regulations Drilling, Well Exploration, and Trench Exploration Operational Regulations
