GB/T 45541-2025 Chinese PDF (GB /T45541-2025) GB/T 45510-2025 GB/T 45470-2025_Chinese: Recycled carbon fiber

GB/T 45470-2025_Chinese: Recycled carbon fiber for cement concrete (Chinese: 水泥混凝土用回收碳纤维)

GB/T 45020-2024_Chinese: Methods for chemical analysis of niobium hafnium alloys - Determination of trace impurity elements content - Inductively coupled plasma mass spectrometry (Chinese: 铌铪合金化学分析方法 痕量杂质元素的测定 电感耦合等离子体质谱法)

GB/T 45484-2025_Chinese: Ships and marine technology - Bunker fuel mass flow meters on receiving vessel - Requirements (Chinese: 船舶与海上技术 接收船上加注燃料质量流量计 要求)

English versions: GB/T 45336-2025

English versions: GB/T 30889-2024

GB/T 45541-2025 Chinese PDF (GB /T45541-2025) GB/T 45510-2025 GB/T 45470-2025_Chinese: Recycled carbon fiberGB T 45541 2025_Chinese: Testing method for proton exchange membrane electrolyzer performance (Chinese: PEM) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45541 2025