Home / Standards / GB/T 4511.2-1999 GB/T 4511.2-1999 Active Coke--Determination of shatter strength 焦炭落下强度测定方法 Standard Type GBT ICS 75.160.10 CCS H32 Status 现行 Issue Date 1999-04-15 Implementation 1999-09-01 Responsible Dept 国家标准委 Drafting Unit N/A