Patents   Great Britain  

Patent:GB191219506

Patent:	GB 191219506
Title:	Improvements relating to Calculating Machines
Date:	20.02.1913
Place:
Country:	Great Britain
Person:	Matjeka, Otto Rudolf (P)
Company:
Internal Links:
Keywords:
Link to the patent office: (without guarantee)	GB191219506

Aus der Patentschrift GB191219506

• DATUM: 20.02.1913
• TITEL: Improvements relating to Calculating Machines.
• PERSON: MATJEKA OTTO RUDOLF DK