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| Type | Company |
| Location | London (United Kingdom) |
| Industry | Nonmetallic Minerals Industry |
| Holdings | Annual reports: 1950/51 Newspaper clippings: 1911…1941 |
| Signature | A22 O 31 |
| URI | https://pm20.zbw.eu/folder/co/070926 |
| ID | co/070926 |