Brevetti   Gran Bretagna  

Patent:GB483235

Brevetto:	GB 483235
Titolo:	Improvements in or relating to calculating machines
Data:	11.04.1938
Luogo:
Nazione:	Gran Bretagna
Persona:	Arthur Thomas
Ditta:
Link interni:
Keywords:
Link al brevetto: (without guarantee)	GB483235

Aus der Patentschrift GB483235

• DATUM: 11.04.1938
• TITEL: Improvements in or relating to calculating machines
• PERSON: ARTHUR THOMAS
• Patent Family: ( Patent:FR827669, Patent:GB483235, Patent:US2198708 )