Home / Standards / GB/T 4756-2015 GB/T 4756-2015 Active Method for manual sampling of petroleum liquids 石油液体手工取样法 Standard Type GBT ICS 75.080 CCS E30 Status 现行 Issue Date 2015-12-31 Implementation 2016-06-01 Responsible Dept 国家标准委 Drafting Unit N/A