| Brevetto: | GB 191421275 |
| Titolo: | Improvements in or relating to Adding Machines |
| Data: | 01.07.1915 |
| Luogo: | Detroit, Michigan, USA |
| Nazione: | Gran Bretagna |
| Persona: | Wade, Harold (P) |
| Ditta: | Burroughs (P) |
| Link interni: | |
| Keywords: | |
| Link al brevetto: (without guarantee) |  GB191421275 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=GB191421275) |
Aus der Patentschrift GB191421275
- DATUM: 01.07.1915
- TITEL: Improvements in or relating to Adding Machines.
- PERSON: WADE HAROLD GB
- Patent Family: ( Patent:DE354034, Patent:GB191421275 )