Home / Standards / GB/T 23886-2009 GB/T 23886-2009 Active Determination of nacre thickness - Optical coherence tomography 珍珠珠层厚度测定方法 光学相干层析法 Standard Type GBT ICS 39.060 CCS D59 Status 现行 Issue Date 2009-06-01 Implementation 2010-01-01 Responsible Dept 自然资源部(国土) Drafting Unit N/A