Home / Standards / GB/T 22750-2008 GB/T 22750-2008 Abolished Implants for surgery - Ceramic materials based on high purity alumina 外科植入物用高纯氧化铝陶瓷材料 Standard Type GBT ICS 11.040.40 CCS C35 Status 废止 Issue Date 2008-12-30 Implementation 2009-12-01 Responsible Dept 国家药监局 Drafting Unit N/A