Drilling of wells 61134
钻井
Chinese
钻井
English
Drilling of wells
Spanish
perforación de pozos
- Site ref.
- 61134
- Class
- 37
- Included in
- Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)
Corresponding item in the CNIPA Table of Similar Goods and Services: 钻井（370114） similar group 3703
Matched automatically by Nice class and official English term; rely on each office's official text before filing.