GB/T 19533-2024 Chinese PDF (GB/T19533-2024) GB/T 13465.1-2024 GB/T 17365-2025_Chinese: Microbeam analysis -

GB/T 17365-2025_Chinese: Microbeam analysis - Method of preparation for specimens of metal and alloy in electron probe microanalysis (Chinese: 微束分析 金属与合金电子探针定量分析试样的制备方法)

GB 12664-2024_Chinese: General technical requirements for portable X-ray security inspection equipment (Chinese: 便携式X射线安全检查设备技术规范)

33-2024_Chinese: Specifications for optical fibre test methods - Part 33: Measurement methods and test procedures for mechanical characteristics - Stress corrosion susceptibility (Chinese: 光纤试验方法规范 第33部分：机械性能的测量方法和试验程序 应力腐蚀敏感性参数)

English versions: GB/T 14646-2025

GB/T 45296-2025_Chinese: Code of practice for drying of silkworm cocoons (Chinese: 桑蚕茧干燥技术规程)

GB/T 19533-2024 Chinese PDF (GB/T19533-2024) GB/T 13465.1-2024 GB/T 17365-2025_Chinese: Microbeam analysis -GB T 19533 2024_Chinese: Periodic inspection and evaluation of steel gas cylinders for the on board storage of compressed natural gas as a fuel for automotive vehicles (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19533 2024