Home / Standards / GB/T 1557-2006 GB/T 1557-2006 Abolished The method of determining interstitial oxygen content in silicon by infrared absorption 硅晶体中间隙氧含量的红外吸收测量方法 Standard Type GBT ICS 77.040.01 CCS H17 Status 废止 Issue Date 2006-07-18 Implementation 2006-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A