GOST R 8.995-2020 State system for ensuring the uniformity of measurements. Volume flow rate and quantity of natural gas. Measurements procedure (method) using volumetric diaphragm and fluidics gas meters
1970GOST R 8.995-2020 State system for ensuring the uniformity of measurements. Volume flow rate and quantity of natural gas. Measurements procedure (method) using volumetric diaphragm and fluidics gas meters