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| Type | Company |
| Location | Innertkirchen (Switzerland) |
| Industry | Power Industry |
| Holdings | Newspaper clippings: 1927…1943, 1971-1990 Annual reports: 1925-1941,1950-1981,1983 |
| Signature | A34 K 1 |
| URI | https://pm20.zbw.eu/folder/co/014531 |
| ID | co/014531 |