GB/T 43256-2023 Chinese PDF (GB/T43256-2023) GB/T 29041-2023 3-2025_Chinese: Metallic materials - Vickers

3-2025_Chinese: Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks (Chinese: 金属材料 维氏硬度试验 第3部分：标准硬度块的标定)

3-2025_Chinese: Textiles - Tear properties of fabrics - Part 3: Determination of tear force of trapezoid-shaped test specimens (Chinese: 纺织品 织物撕破性能 第3部分：梯形试样撕破强力的测定)

3-2025_Chinese: Lightning protection system components(LPSC) - Part 3: Requirements for isolating spark gaps(ISGs) (Chinese: 雷电防护系统部件（LPSC） 第3部分： 隔离放电间隙（ISGs）的要求)

GB 21342-2025_Chinese: Norm of energy consumption per unit production of coke (Chinese: 焦炭单位产品能源消耗限额)

English versions: GB/T 45525

GB/T 43256-2023 Chinese PDF (GB/T43256-2023) GB/T 29041-2023 3-2025_Chinese: Metallic materials - VickersGB T 43256 2023_Chinese: Test method for parameters of distributed optical fibre strain measuring system (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43256 2023