Home / Standards / GB/T 23671-2009 GB/T 23671-2009 Abolished 2-Hydroxy-6-naphthalene carboxylic acid 2-羟基-6-萘甲酸 Standard Type GBT ICS 87.060.10;71.100.01 CCS G56 Status 废止 Issue Date 2009-04-24 Implementation 2009-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A