| Ref. code: | PAT 3, 74 d |
| Title: | Akustische und optische Signale ausser den unter 74 a-c genannten (62 c, 25; 63 a, 41; 63 c, 67, 69; 63 g, 8-10, 65 a 2) |
| Creation date(s): | 4/5/1957 - 12/29/1967 |
| Number: | 27 |
| Level: | Klasse |
| Ref. code AP: | PAT 3, 74 d |
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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=1429272 |
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