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English versions: GB 28380-2025
English versions: GB/T 26250-2025
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)
English versions: GB/T 30843
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 45485-2025 Chinese PDF (GB /T45485-2025) GB/T 21478-2024 English versions: GB 28380-2025GB T 45485 2025_Chinese: Ships and marine technology Design and test requirements for small steel hatches using electrical trace heating (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45485 2025
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