Brevetti   Gran Bretagna  

Patent:GB191105283

Brevetto:	GB 191105283
Titolo:	Improvements in Calculating Machines
Data:	30.11.1911
Luogo:
Nazione:	Gran Bretagna
Persona:	Rein, Robert (P)
Ditta:	Ludwig Spitz and Company GmbH
Link interni:
Keywords:
Link al brevetto: (without guarantee)	GB191105283

Aus der Patentschrift GB191105283

• DATUM: 30.11.1911
• TITEL: Improvements in Calculating Machines.
• PERSON: LUDWIG SPITZ COMPANY G M B H DE