Home / Standards / GB/T 13465.7-2009 GB/T 13465.7-2009 Active Test method of the rates of body weight gain and porefilling of impermeable graphite 不透性石墨增重率和填孔率试验方法 Standard Type GBT ICS 71.120 CCS G94 Status 现行 Issue Date 2009-04-29 Implementation 2010-01-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A