Patent:GB292963
Patent: | GB 292963 |
Title: | Perforated card bookkeeping machines |
Date: | 20.06.1929 |
Place: | Wien |
Country: | Great Britain |
Person: | Tauschek, Gustav (P) |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
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