Patent:GB397121
Patent: | GB 397121 |
Title: | Improvements in or relating to record-card-controlled statistical machines |
Date: | 15.08.1933 |
Place: | New York |
Country: | Great Britain |
Person: | |
Company: | Tabulating Machine (P) Company |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
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