Home / Standards / GB/T 41690-2022 GB/T 41690-2022 Active Quantitative test method for foreign fiber in raw cotton—Manual method 原棉异性纤维定量试验方法 手工法 Standard Type GBT ICS 59.060.10 CCS B32 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 国家标准委 Drafting Unit N/A