Home / Standards / GB/T 27661-2011 GB/T 27661-2011 Active Test methods for single-pass loss coefficient of laser robs 激光棒单程损耗系数的测量方法 Standard Type GBT ICS 31.260 CCS L51 Status 现行 Issue Date 2011-12-30 Implementation 2012-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会