Brevetti   Gran Bretagna  

Patent:GB191106386

Brevetto:	GB 191106386
Titolo:	Improvements in and relating to Calculating Machines
Data:	07.09.1911
Luogo:
Nazione:	Gran Bretagna
Persona:	Ellis, Halcolm (P)
Ditta:
Link interni:
Keywords:
Link al brevetto: (without guarantee)	GB191106386

Aus der Patentschrift GB191106386

• DATUM: 07.09.1911
• TITEL: Improvements in and relating to Calculating Machines.
• PERSON: ELLIS HALCOLM US