Brevetti   Gran Bretagna  

Patent:GB191645

Brevetto:	GB 191645
Titolo:	Improved Ellipsograph
Data:	18.01.1923
Luogo:
Nazione:	Gran Bretagna
Persona:
Ditta:
Link interni:	Ellipsograph
Keywords:
Link al brevetto: (without guarantee)	GB191645

Aus der Patentschrift GB191645

• DATUM: 18.01.1923
• TITEL: An improved ellipsograph
• PERSON: JOHANNES SOBAWA
• Patent Family: ( Patent:DE354253, Patent:FR543374, Patent:GB191645 )