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GB/T 20424-2025_Chinese: The specification for limit on harmful element content of the heavy nonferrous metal concentrates products (Chinese: 重有色金属精矿产品中有害元素的限量规范)
English versions: GB/T 18649-2024
GB/T 45506-2025_Chinese: Residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors (Chinese: 剩余电阻比测量 谐振腔级铌超导体剩余电阻比测量)
English versions: GB 17440-2025
English versions: GB/T 44915-2024
GB/T 39560.12-2024 Chinese PDF (GB/T39560.12-2024) GB/T 44944-2024 GB/T 20424-2025_Chinese: The specification forGB T 39560. 12 2024_Chinese: Determination of certain substances in electrotechnical products Part 12: Simultaneous determination of polybrominated biphenyls, polybrominated diphenyl ethers and phthalates in polymers by gas chromatography mass spectrometry (Chinese: 12 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 39560. 12 2024
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