Home / Standards / GB/T 30709-2014 GB/T 30709-2014 Active Standard test method for compressibility and recovery of laminated composite gasket materials 层压复合垫片材料压缩率和回弹率试验方法 Standard Type GBT ICS 23.100.60 CCS Q69 Status 现行 Issue Date 2014-03-27 Implementation 2014-12-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A