GB/T 39373-2020.Leather- Tests for colour fastness- Colour fastness to solvents. GB/T 39373规定了皮革耐溶剂色...
GB国家标准
GB国家标准
GB国家标准
GB/T 39373-2020 皮革 色牢度试验 耐溶剂色牢度
GB/T 39373-2020.Leather-Tests for colour fastness-Colour fastness to solvents. 1范围 GB/T 39373规定了皮革耐溶...