Purification of minerals by magnetic methods 66612
用磁选方法提纯矿物
Chinese
用磁选方法提纯矿物
English
Purification of minerals by magnetic methods
- Site ref.
- 66612
- Class
- 40
- Included in
- Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)