Brevetti   Gran Bretagna  

Patent:GB183881

Brevetto:	GB 183881
Titolo:	Improvements in or relating to the actuating mechanism of calculating machines
Data:	08.08.1922
Luogo:
Nazione:	Gran Bretagna
Persona:	Greve, John E. (P)
Ditta:
Link interni:
Keywords:
Link al brevetto: (without guarantee)	GB183881

Aus der Patentschrift GB183881

• DATUM: 08.08.1922
• TITEL: Improvements in or relating to the actuating mechanism of calculating machines
• PERSON: JOHN EMIL WILLIAM GREVE