Patent:GB347119
Brevet: | GB 347119 |
Titre: | Improvements in or relating to record card controlled calculating machines |
Date: | 14.04.1931 |
Lieu: | |
Pays: | Royaume-Uni |
Personne: | Age Kalsbeek |
Entreprise: | |
Liens internes: | |
Mots-Clefs: | |
Lien à la bureau des brevets: (sans garantie) | ![]() |
- DATUM: 14.04.1931
- TITEL: Improvements in or relating to record card controlled calculating machines
- PERSON: AGE KALSBEEK
- Patent Family: ( Patent:BE362551, Patent:FR679564, Patent:GB347119, Patent:NL31405C )