Home / Standards / GB/T 36923-2018 GB/T 36923-2018 Active Identification of pearl powder―X-ray diffraction analysis 珍珠粉鉴别方法 X射线衍射分析法 Standard Type GBT ICS 71.100.70 CCS Y42 Status 现行 Issue Date 2018-12-28 Implementation 2019-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A