Chemical additives for oil well cements 1673
油井水泥化学添加剂
Chinese
油井水泥化学添加剂
English
Chemical additives for oil well cements
- Site ref.
- 1673
- Class
- 01
- Included in
- Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)