Patent:CA298944
Patent: | CA 298944 |
Title: | Split automatic control system for tabulators |
Date: | 01.04.1930 |
Place: | |
Country: | Canada |
Person: | Bryce, James (P) |
Company: | IBM (P) Tabulating Machine Comp. |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
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