27-09-2022
24
Chemical
Natural gas
460 L.E.
مواصفات الجمعية الأمريكية للاختبار والمواد ASTM D 3588 / 1998 (Reapproved 2017) Standard Practice for Calculating Heat Value, Compressibility Factor, and Relative Density of Gaseous Fuels .
Total Modification
Not Obligatory
75.160.30