Home / Standards / GB/Z 35474-2017 GB/Z 35474-2017 Active Natural gas—Technical explanation for calculation of physical properties from composition 天然气 通过组成计算物性参数的技术说明 Standard Type GBZ ICS 75.060 CCS E24 Status 现行 Issue Date 2017-12-29 Implementation N/A Responsible Dept 国家标准委 Drafting Unit N/A