Home / Standards / GB/T 264-1983 GB/T 264-1983 Active Petroleum products--Determination of acid number 石油产品酸值测定法 Standard Type GBT ICS 75.080 CCS E30 Status 现行 Issue Date 1983-03-09 Implementation 1983-12-01 Responsible Dept 国家标准委 Drafting Unit N/A