Home / Standards / GB/T 23960-2009 GB/T 23960-2009 Active Catechol for industrial use 工业用邻苯二酚 Standard Type GBT ICS 71.080.90 CCS G17 Status 现行 Issue Date 2009-06-02 Implementation 2010-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A