Patent:GB669986
Brevet: | GB 669986 |
Titre: | Improvements in and relating to calculating machines for performing division |
Date: | 09.04.1952 |
Lieu: | |
Pays: | Royaume-Uni |
Personne: | |
Entreprise: | British Tabulating (P) Mach Co Ltd |
Liens internes: | |
Mots-Clefs: | |
Lien à la bureau des brevets: (sans garantie) | ![]() |
- DATUM: 09.04.1952
- TITEL: Improvements in and relating to calculating machines for performing division
- PERSON: BRITISH TABULATING MACH CO LTD
- Patent Family: ( Patent:DE977244, Patent:FR969056, Patent:GB669986, Patent:US2536906 )