Home / Standards / GB/T 30516-2014 GB/T 30516-2014 Active Bitumen with high viscosity and elastic recovery for pavement 高粘高弹道路沥青 Standard Type GBT ICS 75.140 CCS E43 Status 现行 Issue Date 2013-12-13 Implementation 2014-06-01 Responsible Dept 国家标准委 Drafting Unit N/A