GB/T 12279.2-2024 Chinese PDF (GB /T12279.2-2024) GB/T 13522-2024 33-2024_Chinese: Specifications for optical fibre

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 10408-2025

GB/T 17818-2025_Chinese: Determination of vitamin D3 in feeds - High-performance liquid chromatography (Chinese: 饲料中维生素D3的测定 高效液相色谱法)

English versions: GB/T 17817-2024

GB/T 12279.2-2024 Chinese PDF (GB /T12279.2-2024) GB/T 13522-2024 33-2024_Chinese: Specifications for optical fibreGB T 12279. 2 2024_Chinese: Cardiovascular implants Cardiac valve prostheses Part 2: Surgically implanted heart valve substitutes (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12279. 2 2024