Home / Standards / GB/T 11062-1998 GB/T 11062-1998 Natural gas — Calculation of calorific values, density, relative density and Wobbe indices 天然气发热量、密度、相对密度和沃泊指数的计算方法 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A