GB 5009.183-2025 Chinese PDF GB/T 15268-2024 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 18892-2024

English versions: GB/T 10250-2025

8-2024_Chinese: Specifications for the provision of personal protective equipment - Part 8: Shipbuilding industry (Chinese: 个体防护装备配备规范 第8部分：船舶)

24-2025_Chinese: Methods for chemical analysis of magnesium and magnesium alloys - Part 24: Determination of trace impurity elements contents - Glow discharge mass spectrometry (Chinese: 镁及镁合金化学分析方法 第24部分：痕量杂质元素的测定 辉光放电质谱法)

GB 5009.183-2025 Chinese PDF GB/T 15268-2024 7-2025_Chinese: Plastics - Polyether polyolsGB 5009. 183 2025_Chinese: National food safety standard Determination of urease in food (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 5009. 183 2025