| Ref. code: | PAT 2, C 12 a |
| Title: | Verkohlung, Verkokung (vergl. Kl. 36 r, 13, 14) |
| Creation date(s): | 7/9/1917 - 2/14/1955 |
| Number: | 42 |
| Level: | Klasse |
| Ref. code AP: | PAT 2, C 12 a |
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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=618914 |
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