Home / Standards / GB/T 16763-1997 GB/T 16763-1997 Abolished Shaped insulating refractory products--Classification 定形隔热耐火制品的分类 Standard Type GBT ICS 81.080 CCS Q45 Status 废止 Issue Date 1997-03-17 Implementation 1997-09-01 Responsible Dept 国家标准委 Drafting Unit N/A