GB/T 1149.17-2023 Chinese PDF (GB/T1149.17-2023) GB/T 44961-2024 English versions: GB 45186-2024

English versions: GB 45186-2024

English versions: GB/T 45391-2025

1-2025_Chinese: Plastics - Determination of tensile properties - Part 1: General principles (Chinese: 塑料 拉伸性能的测定 第1部分：总则)

English versions: GB/T 45200-2025

GB/T 44925-2024_Chinese: Requirement for portioning and storage of returned lunar sample (Chinese: 月球采样样品分样和保存要求)

GB/T 1149.17-2023 Chinese PDF (GB/T1149.17-2023) GB/T 44961-2024 English versions: GB 45186-2024GB T 1149. 17 2023_Chinese: Internal combustion engines Piston rings Part 17: Coil spring loaded oil control rings made of steel (Chinese: 17) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1149. 17 2023