Home / Standards / GB/T 3000-2016 GB/T 3000-2016 Active Dense shaped refractory products—Determination of permeability to gases 致密定形耐火制品 透气度试验方法 Standard Type GBT ICS 81.080 CCS Q40 Status 现行 Issue Date 2016-08-29 Implementation 2017-07-01 Responsible Dept 国家标准委 Drafting Unit N/A