Patent:GB232030
Brevet: | GB 232030 |
Titre: | A new or improved calculator or score card for use more particularly in conjunction with the playing of games |
Date: | 16.04.1925 |
Lieu: | |
Pays: | Royaume-Uni |
Personne: | |
Entreprise: | Chad Valley Company Ltd |
Liens internes: | |
Mots-Clefs: | |
Lien à la bureau des brevets: (sans garantie) | ![]() |
- DATUM: 16.04.1925
- TITEL: A new or improved calculator or score card for use more particularly in conjunction with the playing of games
- PERSON: CHAD VALLEY COMPANY LTD