Patent:GB598407
Patent: | GB 598407 |
Titel: | A device for indicating the number of hours worked by a person |
Datum: | 18.02.1948 |
Ort: | |
Land: | Großbritannien |
Person: | Lionel Skinner |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB598407 |
- DATUM: 18.02.1948
- TITEL: A device for indicating the number of hours worked by a person
- PERSON: LIONEL SKINNER