Home / Standards / GB/T 28115-2011 GB/T 28115-2011 Active High-silica porcelain ware 高石英瓷器 Standard Type GBT ICS 81.060.20 CCS Y24 Status 现行 Issue Date 2011-12-30 Implementation 2012-08-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A