Registration number (WIID)Project No.TitleStatus
82173prEN ISO 15403-1 revNatural gas — Natural gas for use as a compressed fuel for vehicles — Part 1: Designation of the qualityIzstrādē
30138EN ISO 6145-8:2008Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 8: Diffusion method (ISO 6145-8:2005)Izstrādē
78847prEN ISO 6976 revNatural gas — Calculation of calorific values, density, relative density and Wobbe indices from compositionIzstrādē
32315EN ISO 12213-1:2009Natural gas - Calculation of compression factor - Part 1: Introduction and guidelines (ISO 12213-1:2006)Izstrādē
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