GB/T 12279.1-2024 Chinese PDF (GB/T12279.1-2024) GB/T 41869.4-2024 GB/T 45439-2025_Chinese: Technical specification for

GB/T 45439-2025_Chinese: Technical specification for the application of traceability two-dimensional code on fuel gas cylinders and fuel gas cylinder valves (Chinese: 燃气气瓶和燃气瓶阀溯源二维码应用技术规范)

5-2025_Chinese: National food safety standard - Determination of protein in food (Chinese: 食品安全国家标准 食品中蛋白质的测定)

GB/T 44926-2024_Chinese: Nanotechnologies - Characterization of micro surface and sub surface - Optical dark-field confocal microscopy (Chinese: 纳米技术 微区表面及亚表面表征 光学暗场共焦显微法)

GB/T 45304-2025_Chinese: Dried parsley (Chinese: 干欧芹)

1-2025_Chinese: Technical specification of energy absorption device for high voltage direct current(HVDC) power transmission - Part 1: DC controllable and self-recovery energy absorption device (Chinese: 高压直流输电用消能装置技术规范 第1部分：直流可控自恢复消能装置)

GB/T 12279.1-2024 Chinese PDF (GB/T12279.1-2024) GB/T 41869.4-2024 GB/T 45439-2025_Chinese: Technical specification forGB T 12279. 1 2024_Chinese: Cardiovascular implants Cardiac valve prostheses Part 1: General requirements (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12279. 1 2024