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Patent:US1927269
| Patent: | US 1927269 |
| Title: | Calculating Machine |
| Date: | 19.09.1933 |
| Place: | |
| Country: | USA |
| Person: | G. Lerch |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1927269 (espacenet), US1927269 (uspto) |
Aus der Patentschrift US1927269
- DATUM: 19.09.1933
- TITEL: Calculating machine
- PERSON: MARCHANT CALCULATING MACHINE C