Home / Standards / GB/T 2012-1989 GB/T 2012-1989 Active Aromatic hydrocarbons--Test method of acid wash 芳烃酸洗试验法 Standard Type GBT ICS 71.080.15 CCS G15 Status 现行 Issue Date 1989-03-31 Implementation 1990-04-01 Responsible Dept 国家标准委 Drafting Unit N/A