Drilling of deep oil or gas-wells 61130
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
- Site ref.
- 61130
- Class
- 37
- Included in
- Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)