UNE-EN ISO 7278-1:1995 LIQUID HYDROCARBONS. DYNAMIC MEASUREMENT. PROVING SYSTEMS FOR VOLUMETRIC METERS. PART 1: GENERAL PRINCIPLES. (ISO 7278-1:1987) (Endorsed by AENOR in February of 1996.)
1996UNE-EN ISO 7278-1:1995 LIQUID HYDROCARBONS. DYNAMIC MEASUREMENT. PROVING SYSTEMS FOR VOLUMETRIC METERS. PART 1: GENERAL PRINCIPLES. (ISO 7278-1:1987) (Endorsed by AENOR in February of 1996.)