Home / Standards / GB/T 43211-2023 GB/T 43211-2023 Active Test methods for size of cork granules by mechanical sieving 软木粒机械筛分测定粒度的试验方法 Standard Type GBT ICS 79.100 CCS B70 Status 现行 Issue Date 2023-09-07 Implementation 2024-04-01 Responsible Dept 国家林草局 Drafting Unit N/A