Home / Standards / GB/T 29173-2012 GB/T 29173-2012 Active Determination method for samples of geochemical exploration for oil and gas 油气地球化学勘探试样测定方法 Standard Type GBT ICS N/A CCS E11 Status 现行 Issue Date 2012-12-31 Implementation 2013-07-01 Responsible Dept 国家标准委 Drafting Unit N/A