Registration number (WIID)Project No.TitleStatus
29178EN ISO 14912:2006/AC:2007Gas analysis - Conversion of gas mixture composition data (ISO 14912:2003/Cor 1:2006)Atcelts
25704EN ISO 14912:2006Gas analysis - Conversion of gas mixture composition data (ISO 14912:2003)Atcelts
25707EN ISO 6143:2006Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2001)Atcelts
11339LVS EN 437:1993 +A1:1997 /A2:2003Test gases - Test pressures - Appliance categoriesAtcelts
11340LVS EN 437:2003Test gases - Test pressures - Appliance categoriesAtcelts
32589LVS EN 437+A1:2009 ATest gases - Test pressures - Appliance categoriesAtcelts
11335LVS EN 437:1993Test gases - Test pressures - Appliance categoriesAtcelts
11338LVS EN 437:1993/A1:1997Test gases - Test pressures - Appliance categoriesAtcelts
11336LVS CR 1404:2016Determination of emissions from appliances burning gaseous fuels during type-testingAtcelts
77314prEN ISO 6974-4Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 4: Guidance on gas analysis (ISO/DIS 6974-4:2025)Aptauja slēgta
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