Patent:US1459644
Patent: | US 1459644 |
Titel: | Apparatus for Measuring Products of two Variable Quantities |
Datum: | 19.06.1923 |
Ort: | |
Land: | USA |
Person: | G. W. Watson |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US1459644 (espacenet), US1459644 (uspto) |
- DATUM: 19.06.1923
- TITEL: Apparatus for measuring products of two variable quantities