Patent:GB190913039
Brevet: | GB 190913039 |
Titre: | An Improved Machine for Calculating Fractional Parts of any Quantity |
Date: | 20.01.1910 |
Lieu: | |
Pays: | Royaume-Uni |
Personne: | Vermehren, Johannes (P) |
Entreprise: | Vermehrens Regnemaskiner AS |
Liens internes: | |
Mots-Clefs: | |
Lien à la bureau des brevets: (sans garantie) | ![]() |
- DATUM: 20.01.1910
- TITEL: An Improved Machine for Calculating Fractional Parts of any Quantity.
- PERSON: VERMEHRENS REGNEMASKINER AS DK