Home / Standards / GB/T 34406-2017 GB/T 34406-2017 Active Identification of pearl powder—Near infrared spectroscopy method 珍珠粉鉴别方法 近红外光谱法 Standard Type GBT ICS 11.120.10 CCS C10 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A