GB/T 25774.2-2023 Chinese PDF (GB/T25774.2-2023) GB/T 25105.3-2025 three-point and four-point methods (Chinese:

three-point and four-point methods (Chinese: 纸和纸板 弯曲挺度的测定 两点法、三点法和四点法的通用原理)

GB/T 45130-2025_Chinese: Zinc-aluminum oxide target (Chinese: 氧化锌铝靶材)

GB/T 45089-2024_Chinese: Specification for home care service of 0-3 year old infants (Chinese: 0～3岁婴幼儿居家照护服务规范)

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)

GB/T 25774.2-2023 Chinese PDF (GB/T25774.2-2023) GB/T 25105.3-2025 three-point and four-point methods (Chinese:GB T 25774. 2 2023_Chinese: Test methods for welding consumables Part 2: Preparation of butt weld single run and two run technique test pieces and specimens for mechanical properties in steel (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 25774. 2 2023