GB 28881-2023 Chinese PDF GB/T 22939.5-2025 GB/T 45011-2024_Chinese: Test method for

GB/T 45011-2024_Chinese: Test method for impact failure of fiber reinforced polymer matrix composites (Chinese: 纤维增强复合材料冲击失效试验方法)

GB/T 44981-2024_Chinese: Packaged rice production line (Chinese: 包装米饭加工生产线)

1-2025_Chinese: Specification of intellectual property appraisement - Part 1: General (Chinese: 知识产权鉴定规范 第1部分：总则)

English versions: GB/T 45617-2025

English versions: GB/T 45636-2025

GB 28881-2023 Chinese PDF GB/T 22939.5-2025 GB/T 45011-2024_Chinese: Test method forGB 28881 2023_Chinese: Hand protection Protective gloves against chemicals and micro organisms (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 28881 2023