Drilling of deep oil or gas wells 037-953
深层油井或气井的钻探
Chinese
深层油井或气井的钻探
English
Drilling of deep oil or gas wells
Spanish
Perforación de pozos profundos de petróleo o gas
- Term ID
- 037-953
- Class
- 37
- Type
- Services
- Status
- Active · added, not since modified (A)
- Effective date
- 2011-01-13
- Version
- 09-2007
Corresponding item in the CNIPA Table of Similar Goods and Services: 深层油井或气井的钻探（370133） similar group 3703
Matched automatically by Nice class and official English term; rely on each office's official text before filing.