| Ref. code: | Nd.01-02-17 |
| Ref. code AP: | Nd.01-02-17 |
| Creation date(s): | 3/6/1908 - 12/31/1955 |
| Title: | Erfindungsklasse 121, Signal- und Alarmwesen |
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URL for this unit of description |
| URL: | https://query-staatsarchiv.ar.ch/detail.aspx?ID=360359 |
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