Patent:GB191109563
Brevet: | GB 191109563 |
Titre: | Improvements in and relating to Multiplying Arrangements for Calculating Machines |
Date: | 19.06.1912 |
Lieu: | |
Pays: | Royaume-Uni |
Personne: | |
Entreprise: | McCaskey Electric Calculator Co. (P) |
Liens internes: | |
Mots-Clefs: | |
Lien à la bureau des brevets: (sans garantie) | ![]() |
- DATUM: 19.06.1912
- TITEL: Improvements in and relating to Multiplying Arrangements for Calculating Machines.
- PERSON: MCCASKEY ELECTRIC CALCULATOR CO US