GB/T 19494.1-2023 Chinese PDF (GB/T19494.1-2023) GB 39800.6-2023 GB/T 45473-2025_Chinese: Composites and reinforcements

GB/T 45473-2025_Chinese: Composites and reinforcements fibres - Carbon fibre reinforced plastics(CFRPs)and metal assemblies - Determination of the cross tension strength (Chinese: 复合材料和增强纤维 碳纤维增强塑料（CFRPs）和金属组件 十字拉伸强度的测定)

English versions: GB/T 22210-2024

GB/T 45127-2025_Chinese: Plastics - Evaluation of the action of microorganisms (Chinese: 塑料 微生物作用的评价)

GBZ27001-2025_Chinese: Conformity assessment - Common elements - Principles and requirements (Chinese: 合格评定 通用要素 原则与要求)

GB/T 19494.1-2023 Chinese PDF (GB/T19494.1-2023) GB 39800.6-2023 GB/T 45473-2025_Chinese: Composites and reinforcementsGB T 19494. 1 2023_Chinese: Mechanical sampling of coal Part 1: Method for sampling (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19494. 1 2023