Brevetti   Gran Bretagna  

Patent:GB190620728

Brevetto:	GB 190620728
Titolo:	Improvements in or relating to Adding or Calculating Machines
Data:	12.09.1907
Luogo:	Detroit
Nazione:	Gran Bretagna
Persona:
Ditta:	Burroughs (P)
Link interni:
Keywords:
Link al brevetto: (without guarantee)	GB190620728

Aus der Patentschrift GB190620728

• DATUM: 12.09.1907
• TITEL: Improvements in or relating to Adding or Calculating Machines.
• PERSON: BOULT ALFRED JULIUS GB