Recommandation OIML R 139:2018 Haute priorité
Ensembles de mesurage de gaz compressé pour véhicules
Champ d'application : The measuring systems that are covered by this Recommendation are intended for the fueling of road vehicles, rail engines, boats, vessels, and aircrafts with compressed natural gas (CNG), compressed gaseous hydrogen, biogas, gas blends or other compressed gaseous fuels. (en anglais)