Home / Standards / GB/T 24411-2009 GB/T 24411-2009 Active Phenolic resin for friction materials 摩擦材料用酚醛树脂 Standard Type GBT ICS 83.080.20 CCS G32 Status 现行 Issue Date 2009-09-30 Implementation 2010-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A