Patent:US2476442
Brevetto: | US 2476442 |
Titolo: | Motion Controlling Means for Slide Rules |
Data: | 19.07.1949 |
Luogo: | |
Nazione: | Stati Uniti |
Persona: | Eckel, A. F. (P) |
Ditta: | |
Link interni: | Rechenschieber |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() ![]() |
- DATUM: 19.07.1949
- TITEL: Motion controlling means for slide rules
- PERSON: LOUISE PICKETT