| Ref. code: | PAT 2, S 120 e |
| Title: | Selbsttätige Fernsprechschalter |
| Creation date(s): | 9/23/1920 - 7/12/1956 |
| Number: | 335 |
| Level: | Klasse |
| Ref. code AP: | PAT 2, S 120 e |
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Usage |
| Permission required: | [Leer] |
| Physical Usability: | Uneingeschränkt |
| Accessibility: | [Leer] |
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URL for this unit of description |
| URL: |  https://suche.staatsarchiv.djiktzh.ch/detail.aspx?ID=1365268 |
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