Patent:US2733011
Patent: | US 2733011 |
Title: | Clearing |
Date: | 31.01.1956 |
Place: | Hayward, CA |
Country: | USA |
Person: | Elwood A. Davis |
Company: | Friden (P) Calculating Machine Co., Inc. |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
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