Patent:GB629621
Brevet: | GB 629621 |
Titre: | Improvements in or relating to record card controlled calculating machines |
Date: | 23.09.1949 |
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: 23.09.1949
- TITEL: Improvements in or relating to record card controlled calculating machines
- PERSON: BRITISH TABULATING MACH CO LTD