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Patent:DE503881
| Patent: | DE 503881 |
| Title: | Graphische Universalschusstafel |
| Date: | 05.07.1928 |
| Place: | Karlsruhe |
| Country: | Germany |
| Person: | Raab, Friedrich |
| Company: | Otto Ammann; Askania-Werke AG vormals Centralwerkstatt Dessau und Carl Bamberg-Friedenau |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE503881 |
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