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Patent:DE457909
| Patent: | DE 457909 |
| Title: | Chiffriermaschine |
| Date: | 27.03.1928 |
| Place: | |
| Country: | Germany |
| Person: | |
| Company: | MACH MIJ KRYHA NV |
| Internal Links: | Chiffriergerät |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE457909 |
Aus der Patentschrift DE457909