GB/T 25433-2024 Chinese PDF (GB/T25433-2024) GB/T 45575-2025 English versions: GB/T 30102-2024

English versions: GB/T 30102-2024

2-2024_Chinese: Public information guidance systems - Setting principles and requirements - Part 2: Airport (Chinese: 公共信息导向系统 设置原则与要求 第2部分：民用机场)

GB/T 45145-2024_Chinese: Performance and testing requirements of maritime survivor locating devices (Chinese: 人员搜救信标性能和测试要求)

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)

GB/T 25433-2024 Chinese PDF (GB/T25433-2024) GB/T 45575-2025 English versions: GB/T 30102-2024GB T 25433 2024_Chinese: Safety requirements for rubber and plastics internal mixers (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 25433 2024