Home / Standards / GB/T 21068-2007 GB/T 21068-2007 Active Standard specification for LNG density calculation models 液化天然气密度计算模型规范 Standard Type GBT ICS 75.060 CCS E24 Status 现行 Issue Date 2007-08-13 Implementation 2008-03-01 Responsible Dept 国家标准委 Drafting Unit N/A