Home / Standards / GB/T 30490-2014 GB/T 30490-2014 Active The method for automatic sampling of natural gas 天然气自动取样方法 Standard Type GBT ICS 75.060 CCS E24 Status 现行 Issue Date 2013-12-13 Implementation 2014-06-01 Responsible Dept 国家标准委 Drafting Unit N/A