Oil well drilling 037-589
油井钻探
Chinese
油井钻探
English
Oil well drilling
Spanish
Perforación de pozos petroleros
- Term ID
- 037-589
- Class
- 37
- Type
- Services
- Status
- Active · added, not since modified (A)
- Effective date
- 1991-04-02
- Version
- 07-1997