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Patent:CA294998a
| Patent: | CA 294998a |
| Title: | COMPUTING MACHINE |
| Date: | 27.11.1928 |
| Place: | Berlin, Deutschland |
| Country: | Canada |
| Person: | Bergmann, Jean (P), Thomas, Lucie (P) |
| Company: | |
| Internal Links: | Zahlenschieber |
| Keywords: | |
| Link to the patent office: (without guarantee) |  CA294998a |
https://depatisnet.dpma.de/DepatisNet/depatisnet?action=bibdat&docid=CA000000294998A
Veröffentlicht: 19.11.1929