Patent:GB138146
Brevet: | GB 138146 |
Titre: | Instrument for facilitating calculations depending on the relations between the pressures, densities, temperatures and percentage compositions of gases, and the recording of observations of these quantities |
Date: | 05.02.1920 |
Lieu: | |
Pays: | Royaume-Uni |
Personne: | Ommanney, Patrick Gream Nelson (P) |
Entreprise: | |
Liens internes: | |
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Lien à la bureau des brevets: (sans garantie) | ![]() |
- DATUM: 05.02.1920
- TITEL: Instrument for facilitating calculations depending on the relations between the pressures, densities, temperatures and percentage compositions of gases, and the recording of observations of these quantities
- PERSON: PATRICK GREAM NELSON OMMANNEY