SY/T 5139-2020
Oil and gas drilling equipment vertical derrick truck (English Version)
- Standard No.
- SY/T 5139-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- 国家能源局
- Latest
- SY/T 5139-2020
- Replace
- SY/T 5139-2008
SY/T 5139-2020 history
- 2020 SY/T 5139-2020 Oil and gas drilling equipment vertical derrick truck
- 2008 SY/T 5139-2008 Derrick building truck
- 1993 SY/T 5139-1993 Vertical release derrick truck
