Brevetti   Gran Bretagna  

Patent:GB190919845

Brevetto:	GB 190919845
Titolo:	Improvements in or relating to Calculating Machines
Data:	03.02.1910
Luogo:
Nazione:	Gran Bretagna
Persona:	Jahnz, Erwin (P)
Ditta:
Link interni:
Keywords:
Link al brevetto: (without guarantee)	GB190919845

Aus der Patentschrift GB190919845

• DATUM: 03.02.1910
• TITEL: Improvements in or relating to Calculating Machines.
• PERSON: JAHNZ ERWIN DE