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| Type | Company |
| Location | Düren |
| Industry | Electrical Industry |
| Subsidiary | Schweizerische Isola Werke AG |
| Holdings | 1922, 1923, 1925, 1927-1929, 1931-1938, 1940-1943, 1968-2004 GB: 1920/21-1938/39, 1940/41-1944/45,(1945/1946),1946/47-1996, 2001 |
| Signature | A10 I 108 |
| URI | http://purl.org/pressemappe20/folder/co/013550 |
| ID | co/013550 |