Home / Standards / GB/T 11603-2022 GB/T 11603-2022 Active Determination of mean diameter of wool fibres—Air permeability method 羊毛纤维平均直径测定法 气流法 Standard Type GBT ICS 59.060.10 CCS W04 Status 现行 Issue Date 2022-12-30 Implementation 2023-07-01 Responsible Dept 国家标准委 Drafting Unit N/A