Home / Standards / GB/T 21841-2008 GB/T 21841-2008 Abolished Antioxidant 6PPD 防老剂6PPD Standard Type GBT ICS 83.040.20 CCS G71 Status 废止 Issue Date 2008-05-15 Implementation 2008-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A