Registration number (WIID)Project No.TitleStatus
71673EN ISO 20765-5:2022Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022)Izstrādē
71673LVS EN ISO 20765-5:2022Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022)Standarts spēkā
71721EN 437:2021Test gases - Test pressures - Appliance categoriesIzstrādē
71721LVS EN 437:2021Test gases - Test pressures - Appliance categoriesStandarts spēkā
71725prEN ISO 13734 revNatural gas - Organic components used as odorants - Requirements and test methodsIzstrādē
74767LVS CEN/TR 1404:2024Test gases - Determination of emissions from appliances burning gaseous fuels during type-testingStandarts spēkā
74767CEN/TR 1404:2024Test gases - Determination of emissions from appliances burning gaseous fuels during type-testingStandarts spēkā
74768prCEN/TR 1472General guidance for the marking of gas appliancesIzstrādē
76144prEN 437 revTest gases - Test pressures - Appliance categoriesIzstrādē
76595LVS EN ISO 6143:2025Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2025) 
Displaying 101-110 of 124 results.