Home / Standards / GB/T 8729-2017 GB/T 8729-2017 Active Foundry coke 铸造焦炭 Standard Type GBT ICS 75.160.10 CCS H32 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A