Patent:GB190801675
Brevetto: | GB 190801675 |
Titolo: | Improvements in or relating to Adding and Calculating Machines |
Data: | 25.01.1909 |
Luogo: | Detroit, Michigan, USA |
Nazione: | Gran Bretagna |
Persona: | |
Ditta: | Burroughs (P) Adding Machine Comp. |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
zitiert Patent:GB189317126 und Patent:GB190327874