| Ref. code: | Nd.01-03-22-01 |
| Ref. code AP: | Nd.01-03-22-01 |
| Creation date(s): | 5/23/1957 |
| Title: | Karl Nef & Sohn, in Schönengrund, Hydraulischer Widder, Patentnummer CH349166 |
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URL for this unit of description |
| URL: | https://query-staatsarchiv.ar.ch/detail.aspx?ID=360563 |
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