Home / Standards / GB/T 12007.7-1989 GB/T 12007.7-1989 Active Determination of gelation time of epoxide resins 环氧树脂凝胶时间测定方法 Standard Type GBT ICS 83.080 CCS G31 Status 现行 Issue Date 1989-12-25 Implementation 1990-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A