Home / Standards / GB/T 13939-2014 GB/T 13939-2014 Active Rubber, vulcanized―Test method of deterioration by heat and oxygen―Tube tester 硫化橡胶 热氧老化试验方法 管式仪法 Standard Type GBT ICS 83.060 CCS G40 Status 现行 Issue Date 2014-12-31 Implementation 2015-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A