Patent:GB665612
Brevet: | GB 665612 |
Titre: | Improvements in or relating to calculating machines |
Date: | 30.01.1952 |
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: 30.01.1952
- TITEL: Improvements in or relating to calculating machines
- PERSON: BRITISH TABULATING MACH CO LTD
- Patent Family: ( Patent:BE484109, Patent:DE909506, Patent:FR1057762, Patent:GB665612, Patent:NL76587C, Patent:NL141868B )