| Countries |
| Belgium |
| Germany |
| Netherlands |
| Classes |
|---|
| Manufacture and processing of other glass, including technical glassware |
| Manufacture of flat glass |
| Manufacture of glass fibres |
| Manufacture of hollow glass |
| Shaping and processing of flat glass |
| Group 231: Manufacture of glass and glass products |
|---|
| This group includes glass in all its forms, made by any process, and articles of glass. |