Chemical additives for oil well drilling fluids 1664
油井钻井液化学添加剂
Chinese
油井钻井液化学添加剂
English
Chemical additives for oil well drilling fluids
Spanish
Aditivos químicos para fluidos de perforación de pozos petrolíferos
- Site ref.
- 1664
- Class
- 01
- Included in
- Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)