Home / Standards / GB/T 1558-2009 GB/T 1558-2009 Abolished Test method for substitutional atomic carbon concent of silicon by infrared absorption 硅中代位碳原子含量 红外吸收测量方法 Standard Type GBT ICS 29.045 CCS H80 Status 废止 Issue Date 2009-10-30 Implementation 2010-06-01 Responsible Dept 国家标准委 Drafting Unit N/A