Brevetti   Gran Bretagna  

Patent:GB310362

Brevetto:	GB 310362
Titolo:	Combination of a calculating machine for all four rules with a card perforating machine
Data:	26.09.1929
Luogo:
Nazione:	Gran Bretagna
Persona:
Ditta:	Rheinmetall (P) (Rheinische Metallwaaren und Maschinenfabrik)
Link interni:
Keywords:
Link al brevetto: (without guarantee)	GB310362

Aus der Patentschrift GB310362

• DATUM: 26.09.1929
• TITEL: Combination of a calculating machine for all four rules with a card perforating machine
• PERSON: RHEINISCHE METALLW MASCHF
• Patent Family: ( Patent:DE486145, Patent:DE498766, Patent:FR656580, Patent:GB301312, Patent:GB310362 )