Home / Standards / GB/T 29721-2013 GB/T 29721-2013 Abolished Specifications of coal for fluidized bed gasifier 流化床气化用原料煤技术条件 Standard Type GBT ICS 73.040 CCS D23 Status 废止 Issue Date 2013-09-18 Implementation 2014-01-01 Responsible Dept 国家标准委 Drafting Unit N/A