Chemical brightening agents for use on metal surfaces 1782
用于金属表面的化学增亮剂
Chinese
用于金属表面的化学增亮剂
English
Chemical brightening agents for use on metal surfaces
- Site ref.
- 1782
- Class
- 01
- Included in
- Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)