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| Type | Company |
| Location | Ratingen; Dornap (North Rhine-Westphalia; Wuppertal) |
| Founding | 1887 |
| Dissolution | 1999 |
| Industry | Nonmetallic Minerals Industry |
| Subsidiary | Westdeutsche Kalk- und Portlandzement-Werke AG |
| Related org. | Rheinische Kalksteinwerke GmbH & Co KG |
| Holdings | Newspaper clippings: 1914-1924, 1926-1933, 1935-1938, 1940-1943,
1970-1997 Annual reports: 1901/02-1943/44,(1945,1945/46-1947/48),1949-1971 |
| Signature | A10 R 113 |
| includes | Rheinisch-Westfälische Kalkwerke; RWK Kalk AG; Steedener Kalkwerke AG |
| URI | https://pm20.zbw.eu/folder/co/044451 |
| ID | co/044451 |