Only metadata for this folder, no digitized documents or microfiches.
| Type | Company |
| Location | Switzerland (Central Europe) |
| Industry | Nonmetallic Minerals Industry |
| Holdings | Annual reports: 1987-2006 Newspaper clippings: 1985-2003 |
| URI | https://pm20.zbw.eu/folder/co/010187 |
| ID | co/010187 |