Home / Standards / GB/T 40641-2021 GB/T 40641-2021 Active Determination of polyprenol from pine needles—High performance liquid chromatography 松针聚戊烯醇含量的测定 高效液相色谱法 Standard Type GBT ICS 65.020 CCS B60 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 国家林草局 Drafting Unit N/A