Home / Standards / GB/T 30886-2014 GB/T 30886-2014 Active Annular shaft kiln 环形套筒窑 Standard Type GBT ICS 27.010 CCS Q99 Status 现行 Issue Date 2014-09-30 Implementation 2015-01-01 Responsible Dept 国家标准委 Drafting Unit N/A