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| Type | Company |
| Location | London (United Kingdom) |
| Founding | 1920 |
| Industry | Nonmetallic Minerals Industry |
| Holdings | Newspaper clippings: 1911…1942 Annual reports: 1931/32, 1932/33, 1951/52-1954/55 |
| Signature | A22 E 36 |
| URI | https://pm20.zbw.eu/folder/co/048955 |
| ID | co/048955 |