GB/T 45583-2025 Chinese PDF (GB /T45583-2025) GB/T 44891-2024 7-2025_Chinese: Plastics - Polyether polyols

7-2025_Chinese: Plastics - Polyether polyols for use in the production of polyurethane - Part 7: Determination of basicity (Chinese: 塑料 聚氨酯生产用聚醚多元醇 第7部分：碱性物质含量的测定)

English versions: GB/T 19480-2025

GB/T 45514-2025_Chinese: Textiles - Quantitative chemical analysis - Mixtures of polyarylate with certain other fibers (Chinese: 纺织品　定量化学分析 聚芳酯纤维与某些其他纤维的混合物)

scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement (Chinese: 工业、科学和医疗设备 射频骚扰特性 限值和测量方法)

GB/T 45583-2025 Chinese PDF (GB /T45583-2025) GB/T 44891-2024 7-2025_Chinese: Plastics - Polyether polyolsGB T 45583 2025_Chinese: Determination of common insecticide residue in cotton fiber High performance liquid chromatography mass spectrometry method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45583 2025