Home / Standards / GB/T 17617-2018 GB/T 17617-2018 Active Rule of sampling and inspection for refractory raw materials 耐火原料抽样检验规则 Standard Type GBT ICS 81.080 CCS Q40 Status 现行 Issue Date 2018-02-06 Implementation 2019-01-01 Responsible Dept 国家标准委 Drafting Unit N/A