GB/T 26717-2024 Chinese PDF (GB/T26717-2024) GB/T 45249.1-2025 GB/T 45277-2025_Chinese: Determination of nine

GB/T 45277-2025_Chinese: Determination of nine primary aromatic amines in toys - Gas chromatography-mass spectrometry (Chinese: 玩具中9种初级芳香胺含量的测定 气相色谱-质谱联用法)

English versions: GB/T 45223-2025

GB/T 45597-2025_Chinese: Metallic materials - Residual stresses determination - Short-wavelength X-ray diffraction method (Chinese: 金属材料 残余应力测定 短波长X射线衍射法)

maintenance and improvement of a GB/T 23331 energy management system (Chinese: 能源管理体系 实施、保持和改进GB/T 23331能源管理体系指南)

GB/T 44928-2024_Chinese: Terms of microlithography technology for microelectronics (Chinese: 微电子学微光刻技术术语)

GB/T 26717-2024 Chinese PDF (GB/T26717-2024) GB/T 45249.1-2025 GB/T 45277-2025_Chinese: Determination of nineGB T 26717 2024_Chinese: Fountain pens and nibs (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 26717 2024